diff --git a/src/wp-admin/edit-form-advanced.php b/src/wp-admin/edit-form-advanced.php
index 9e1a33c09b..677e3dfbb0 100644
--- a/src/wp-admin/edit-form-advanced.php
+++ b/src/wp-admin/edit-form-advanced.php
@@ -193,7 +193,7 @@ $messages['attachment'] = array_fill( 1, 10, __( 'Media file updated.' ) ); // H
  *
  * @since 3.0.0
  *
- * @param array $messages Post updated messages. For defaults @see $messages declarations above.
+ * @param array[] $messages Post updated messages. For defaults see `$messages` declarations above.
  */
 $messages = apply_filters( 'post_updated_messages', $messages );
 
diff --git a/src/wp-admin/edit.php b/src/wp-admin/edit.php
index 1e8bef5a07..b1ad058912 100644
--- a/src/wp-admin/edit.php
+++ b/src/wp-admin/edit.php
@@ -329,9 +329,9 @@ $bulk_messages['page'] = array(
  *
  * @since 3.7.0
  *
- * @param array $bulk_messages Arrays of messages, each keyed by the corresponding post type. Messages are
- *                             keyed with 'updated', 'locked', 'deleted', 'trashed', and 'untrashed'.
- * @param array $bulk_counts   Array of item counts for each message, used to build internationalized strings.
+ * @param array[] $bulk_messages Arrays of messages, each keyed by the corresponding post type. Messages are
+ *                               keyed with 'updated', 'locked', 'deleted', 'trashed', and 'untrashed'.
+ * @param int[]   $bulk_counts   Array of item counts for each message, used to build internationalized strings.
  */
 $bulk_messages = apply_filters( 'bulk_post_updated_messages', $bulk_messages, $bulk_counts );
 $bulk_counts   = array_filter( $bulk_counts );
diff --git a/src/wp-admin/includes/bookmark.php b/src/wp-admin/includes/bookmark.php
index 0572b73dec..5475d3d67f 100644
--- a/src/wp-admin/includes/bookmark.php
+++ b/src/wp-admin/includes/bookmark.php
@@ -253,7 +253,7 @@ function wp_insert_link( $linkdata, $wp_error = false ) {
  * @since 2.1.0
  *
  * @param int   $link_id         ID of the link to update.
- * @param array $link_categories Array of link categories to add the link to.
+ * @param int[] $link_categories Array of link category IDs to add the link to.
  */
 function wp_set_link_cats( $link_id = 0, $link_categories = array() ) {
 	// If $link_categories isn't already an array, make it one:
diff --git a/src/wp-admin/includes/class-bulk-plugin-upgrader-skin.php b/src/wp-admin/includes/class-bulk-plugin-upgrader-skin.php
index bb85e88be2..f2472f0db5 100644
--- a/src/wp-admin/includes/class-bulk-plugin-upgrader-skin.php
+++ b/src/wp-admin/includes/class-bulk-plugin-upgrader-skin.php
@@ -55,7 +55,7 @@ class Bulk_Plugin_Upgrader_Skin extends Bulk_Upgrader_Skin {
 		 *
 		 * @since 3.0.0
 		 *
-		 * @param array $update_actions Array of plugin action links.
+		 * @param string[] $update_actions Array of plugin action links.
 		 * @param array $plugin_info    Array of information for the last-updated plugin.
 		 */
 		$update_actions = apply_filters( 'update_bulk_plugins_complete_actions', $update_actions, $this->plugin_info );
diff --git a/src/wp-admin/includes/class-bulk-theme-upgrader-skin.php b/src/wp-admin/includes/class-bulk-theme-upgrader-skin.php
index 09d42a1852..1ac8d3c6c5 100644
--- a/src/wp-admin/includes/class-bulk-theme-upgrader-skin.php
+++ b/src/wp-admin/includes/class-bulk-theme-upgrader-skin.php
@@ -55,7 +55,7 @@ class Bulk_Theme_Upgrader_Skin extends Bulk_Upgrader_Skin {
 		 *
 		 * @since 3.0.0
 		 *
-		 * @param array    $update_actions Array of theme action links.
+		 * @param string[] $update_actions Array of theme action links.
 		 * @param WP_Theme $theme_info     Theme object for the last-updated theme.
 		 */
 		$update_actions = apply_filters( 'update_bulk_theme_complete_actions', $update_actions, $this->theme_info );
diff --git a/src/wp-admin/includes/class-language-pack-upgrader-skin.php b/src/wp-admin/includes/class-language-pack-upgrader-skin.php
index 4fa1f29d38..3eb46cfd87 100644
--- a/src/wp-admin/includes/class-language-pack-upgrader-skin.php
+++ b/src/wp-admin/includes/class-language-pack-upgrader-skin.php
@@ -77,7 +77,7 @@ class Language_Pack_Upgrader_Skin extends WP_Upgrader_Skin {
 		 *
 		 * @since 3.7.0
 		 *
-		 * @param array $update_actions Array of translations update links.
+		 * @param string[] $update_actions Array of translations update links.
 		 */
 		$update_actions = apply_filters( 'update_translations_complete_actions', $update_actions );
 
diff --git a/src/wp-admin/includes/class-language-pack-upgrader.php b/src/wp-admin/includes/class-language-pack-upgrader.php
index 118d339d02..8e808608fa 100644
--- a/src/wp-admin/includes/class-language-pack-upgrader.php
+++ b/src/wp-admin/includes/class-language-pack-upgrader.php
@@ -151,15 +151,16 @@ class Language_Pack_Upgrader extends WP_Upgrader {
 	 *
 	 * @global WP_Filesystem_Base $wp_filesystem WordPress filesystem subclass.
 	 *
-	 * @param array $language_updates Optional. Language pack updates. Default empty array.
-	 * @param array $args {
-	 *     Optional. Other arguments for upgrading multiple language packs. Default empty array
+	 * @param object[] $language_updates Optional. Array of language packs to update. @see wp_get_translation_updates().
+	 *                                   Default empty array.
+	 * @param array    $args {
+	 *     Other arguments for upgrading multiple language packs. Default empty array.
 	 *
 	 *     @type bool $clear_update_cache Whether to clear the update cache when done.
 	 *                                    Default true.
 	 * }
 	 * @return array|bool|WP_Error Will return an array of results, or true if there are no updates,
-	 *                                   false or WP_Error for initial errors.
+	 *                             false or WP_Error for initial errors.
 	 */
 	public function bulk_upgrade( $language_updates = array(), $args = array() ) {
 		global $wp_filesystem;
diff --git a/src/wp-admin/includes/class-plugin-installer-skin.php b/src/wp-admin/includes/class-plugin-installer-skin.php
index 737837f2b5..b4d2574451 100644
--- a/src/wp-admin/includes/class-plugin-installer-skin.php
+++ b/src/wp-admin/includes/class-plugin-installer-skin.php
@@ -89,11 +89,11 @@ class Plugin_Installer_Skin extends WP_Upgrader_Skin {
 		 *
 		 * @since 2.7.0
 		 *
-		 * @param array  $install_actions Array of plugin action links.
-		 * @param object $api             Object containing WordPress.org API plugin data. Empty
-		 *                                for non-API installs, such as when a plugin is installed
-		 *                                via upload.
-		 * @param string $plugin_file     Path to the plugin file relative to the plugins directory.
+		 * @param string[] $install_actions Array of plugin action links.
+		 * @param object   $api             Object containing WordPress.org API plugin data. Empty
+		 *                                  for non-API installs, such as when a plugin is installed
+		 *                                  via upload.
+		 * @param string   $plugin_file     Path to the plugin file relative to the plugins directory.
 		 */
 		$install_actions = apply_filters( 'install_plugin_complete_actions', $install_actions, $this->api, $plugin_file );
 
diff --git a/src/wp-admin/includes/class-plugin-upgrader-skin.php b/src/wp-admin/includes/class-plugin-upgrader-skin.php
index 0e24da4a1d..87cbefbc7d 100644
--- a/src/wp-admin/includes/class-plugin-upgrader-skin.php
+++ b/src/wp-admin/includes/class-plugin-upgrader-skin.php
@@ -64,8 +64,8 @@ class Plugin_Upgrader_Skin extends WP_Upgrader_Skin {
 		 *
 		 * @since 2.7.0
 		 *
-		 * @param array  $update_actions Array of plugin action links.
-		 * @param string $plugin         Path to the plugin file relative to the plugins directory.
+		 * @param string[] $update_actions Array of plugin action links.
+		 * @param string   $plugin         Path to the plugin file relative to the plugins directory.
 		 */
 		$update_actions = apply_filters( 'update_plugin_complete_actions', $update_actions, $this->plugin );
 
diff --git a/src/wp-admin/includes/class-theme-installer-skin.php b/src/wp-admin/includes/class-theme-installer-skin.php
index 32302fea5d..9d1a7993f8 100644
--- a/src/wp-admin/includes/class-theme-installer-skin.php
+++ b/src/wp-admin/includes/class-theme-installer-skin.php
@@ -104,7 +104,7 @@ class Theme_Installer_Skin extends WP_Upgrader_Skin {
 		 *
 		 * @since 2.8.0
 		 *
-		 * @param array    $install_actions Array of theme action links.
+		 * @param string[] $install_actions Array of theme action links.
 		 * @param object   $api             Object containing WordPress.org API theme data.
 		 * @param string   $stylesheet      Theme directory name.
 		 * @param WP_Theme $theme_info      Theme object.
diff --git a/src/wp-admin/includes/class-theme-upgrader-skin.php b/src/wp-admin/includes/class-theme-upgrader-skin.php
index b5f03017ca..68569321b6 100644
--- a/src/wp-admin/includes/class-theme-upgrader-skin.php
+++ b/src/wp-admin/includes/class-theme-upgrader-skin.php
@@ -85,8 +85,8 @@ class Theme_Upgrader_Skin extends WP_Upgrader_Skin {
 		 *
 		 * @since 2.8.0
 		 *
-		 * @param array  $update_actions Array of theme action links.
-		 * @param string $theme          Theme directory name.
+		 * @param string[] $update_actions Array of theme action links.
+		 * @param string   $theme          Theme directory name.
 		 */
 		$update_actions = apply_filters( 'update_theme_complete_actions', $update_actions, $this->theme );
 
diff --git a/src/wp-admin/includes/class-theme-upgrader.php b/src/wp-admin/includes/class-theme-upgrader.php
index 8f125786e8..1a561ab69c 100644
--- a/src/wp-admin/includes/class-theme-upgrader.php
+++ b/src/wp-admin/includes/class-theme-upgrader.php
@@ -320,8 +320,8 @@ class Theme_Upgrader extends WP_Upgrader {
 	 * @since 3.0.0
 	 * @since 3.7.0 The `$args` parameter was added, making clearing the update cache optional.
 	 *
-	 * @param array $themes The theme slugs.
-	 * @param array $args {
+	 * @param string[] $themes Array of the theme slugs.
+	 * @param array    $args {
 	 *     Optional. Other arguments for upgrading several themes at once. Default empty array.
 	 *
 	 *     @type bool $clear_update_cache Whether to clear the update cache if successful.
diff --git a/src/wp-admin/includes/class-wp-comments-list-table.php b/src/wp-admin/includes/class-wp-comments-list-table.php
index 14e743ccb3..7ab35735a7 100644
--- a/src/wp-admin/includes/class-wp-comments-list-table.php
+++ b/src/wp-admin/includes/class-wp-comments-list-table.php
@@ -381,7 +381,7 @@ if ( 'top' === $which ) {
 		 *
 		 * @since 2.7.0
 		 *
-		 * @param array $comment_types An array of comment types. Accepts 'Comments', 'Pings'.
+		 * @param string[] $comment_types An array of comment types. Accepts 'Comments', 'Pings'.
 		 */
 		$comment_types = apply_filters(
 			'admin_comment_types_dropdown', array(
diff --git a/src/wp-admin/includes/class-wp-list-table.php b/src/wp-admin/includes/class-wp-list-table.php
index ef6b633a3a..f31f4eaed6 100644
--- a/src/wp-admin/includes/class-wp-list-table.php
+++ b/src/wp-admin/includes/class-wp-list-table.php
@@ -396,7 +396,7 @@ class WP_List_Table {
 		 *
 		 * @since 3.5.0
 		 *
-		 * @param array $views An array of available list table views.
+		 * @param string[] $views An array of available list table views.
 		 */
 		$views = apply_filters( "views_{$this->screen->id}", $views );
 
@@ -447,7 +447,7 @@ class WP_List_Table {
 			 *
 			 * @since 3.5.0
 			 *
-			 * @param array $actions An array of the available bulk actions.
+			 * @param string[] $actions An array of the available bulk actions.
 			 */
 			$this->_actions = apply_filters( "bulk_actions-{$this->screen->id}", $this->_actions );
 			$two            = '';
@@ -503,8 +503,8 @@ class WP_List_Table {
 	 *
 	 * @since 3.1.0
 	 *
-	 * @param array $actions The list of actions
-	 * @param bool $always_visible Whether the actions should be always visible
+	 * @param string[] $actions        An array of action links.
+	 * @param bool     $always_visible Whether the actions should be always visible.
 	 * @return string
 	 */
 	protected function row_actions( $actions, $always_visible = false ) {
diff --git a/src/wp-admin/includes/class-wp-media-list-table.php b/src/wp-admin/includes/class-wp-media-list-table.php
index 70cb1a951f..4b29ba67b9 100644
--- a/src/wp-admin/includes/class-wp-media-list-table.php
+++ b/src/wp-admin/includes/class-wp-media-list-table.php
@@ -286,8 +286,8 @@ if ( ! empty( $views ) ) {
 		 *
 		 * @since 3.5.0
 		 *
-		 * @param array  $taxonomies An array of registered taxonomies to show for attachments.
-		 * @param string $post_type  The post type. Default 'attachment'.
+		 * @param string[] $taxonomies An array of registered taxonomy names to show for attachments.
+		 * @param string   $post_type  The post type. Default 'attachment'.
 		 */
 		$taxonomies = apply_filters( 'manage_taxonomies_for_attachment_columns', $taxonomies, 'attachment' );
 		$taxonomies = array_filter( $taxonomies, 'taxonomy_exists' );
@@ -317,9 +317,9 @@ if ( ! empty( $views ) ) {
 		 *
 		 * @since 2.5.0
 		 *
-		 * @param array $posts_columns An array of columns displayed in the Media list table.
-		 * @param bool  $detached      Whether the list table contains media not attached
-		 *                             to any posts. Default true.
+		 * @param string[] $posts_columns An array of columns displayed in the Media list table.
+		 * @param bool     $detached      Whether the list table contains media not attached
+		 *                                to any posts. Default true.
 		 */
 		return apply_filters( 'manage_media_columns', $posts_columns, $this->detached );
 	}
@@ -755,11 +755,11 @@ if ( ! empty( $views ) ) {
 		 *
 		 * @since 2.8.0
 		 *
-		 * @param array   $actions  An array of action links for each attachment.
-		 *                          Default 'Edit', 'Delete Permanently', 'View'.
-		 * @param WP_Post $post     WP_Post object for the current attachment.
-		 * @param bool    $detached Whether the list table contains media not attached
-		 *                          to any posts. Default true.
+		 * @param string[] $actions  An array of action links for each attachment.
+		 *                           Default 'Edit', 'Delete Permanently', 'View'.
+		 * @param WP_Post  $post     WP_Post object for the current attachment.
+		 * @param bool     $detached Whether the list table contains media not attached
+		 *                           to any posts. Default true.
 		 */
 		return apply_filters( 'media_row_actions', $actions, $post, $this->detached );
 	}
diff --git a/src/wp-admin/includes/class-wp-ms-sites-list-table.php b/src/wp-admin/includes/class-wp-ms-sites-list-table.php
index 1741d515f8..a8bbf917b8 100644
--- a/src/wp-admin/includes/class-wp-ms-sites-list-table.php
+++ b/src/wp-admin/includes/class-wp-ms-sites-list-table.php
@@ -248,8 +248,8 @@ class WP_MS_Sites_List_Table extends WP_List_Table {
 		 *
 		 * @since MU (3.0.0)
 		 *
-		 * @param array $sites_columns An array of displayed site columns. Default 'cb',
-		 *                             'blogname', 'lastupdated', 'registered', 'users'.
+		 * @param string[] $sites_columns An array of displayed site columns. Default 'cb',
+		 *                               'blogname', 'lastupdated', 'registered', 'users'.
 		 */
 		return apply_filters( 'wpmu_blogs_columns', $sites_columns );
 	}
@@ -273,6 +273,8 @@ class WP_MS_Sites_List_Table extends WP_List_Table {
 	 * @param array $blog Current site.
 	 */
 	public function column_cb( $blog ) {
+		var_dump($blog);
+		exit;
 		if ( ! is_main_site( $blog['blog_id'] ) ) :
 			$blogname = untrailingslashit( $blog['domain'] . $blog['path'] );
 		?>
@@ -569,10 +571,10 @@ class WP_MS_Sites_List_Table extends WP_List_Table {
 		 *
 		 * @since 3.1.0
 		 *
-		 * @param array  $actions  An array of action links to be displayed.
-		 * @param int    $blog_id  The site ID.
-		 * @param string $blogname Site path, formatted depending on whether it is a sub-domain
-		 *                         or subdirectory multisite installation.
+		 * @param string[] $actions  An array of action links to be displayed.
+		 * @param int      $blog_id  The site ID.
+		 * @param string   $blogname Site path, formatted depending on whether it is a sub-domain
+		 *                           or subdirectory multisite installation.
 		 */
 		$actions = apply_filters( 'manage_sites_action_links', array_filter( $actions ), $blog['blog_id'], $blogname );
 		return $this->row_actions( $actions );
diff --git a/src/wp-admin/includes/class-wp-ms-themes-list-table.php b/src/wp-admin/includes/class-wp-ms-themes-list-table.php
index ea6969f51c..36a0743bd3 100644
--- a/src/wp-admin/includes/class-wp-ms-themes-list-table.php
+++ b/src/wp-admin/includes/class-wp-ms-themes-list-table.php
@@ -97,7 +97,7 @@ class WP_MS_Themes_List_Table extends WP_List_Table {
 			 *
 			 * @since 3.1.0
 			 *
-			 * @param array $all An array of WP_Theme objects to display in the list table.
+			 * @param WP_Theme[] $all Array of WP_Theme objects to display in the list table.
 			 */
 			'all'      => apply_filters( 'all_themes', wp_get_themes() ),
 			'search'   => array(),
@@ -506,7 +506,7 @@ class WP_MS_Themes_List_Table extends WP_List_Table {
 		 *
 		 * @since 2.8.0
 		 *
-		 * @param array    $actions An array of action links.
+		 * @param string[] $actions An array of action links.
 		 * @param WP_Theme $theme   The current WP_Theme object.
 		 * @param string   $context Status of the theme, one of 'all', 'enabled', or 'disabled'.
 		 */
@@ -522,7 +522,7 @@ class WP_MS_Themes_List_Table extends WP_List_Table {
 		 *
 		 * @since 3.1.0
 		 *
-		 * @param array    $actions An array of action links.
+		 * @param string[] $actions An array of action links.
 		 * @param WP_Theme $theme   The current WP_Theme object.
 		 * @param string   $context Status of the theme, one of 'all', 'enabled', or 'disabled'.
 		 */
@@ -587,7 +587,7 @@ class WP_MS_Themes_List_Table extends WP_List_Table {
 		 *
 		 * @since 3.1.0
 		 *
-		 * @param array    $theme_meta An array of the theme's metadata,
+		 * @param string[] $theme_meta An array of the theme's metadata,
 		 *                             including the version, author, and
 		 *                             theme URI.
 		 * @param string   $stylesheet Directory name of the theme.
diff --git a/src/wp-admin/includes/class-wp-ms-users-list-table.php b/src/wp-admin/includes/class-wp-ms-users-list-table.php
index 1c2eaf07e2..eb507dafac 100644
--- a/src/wp-admin/includes/class-wp-ms-users-list-table.php
+++ b/src/wp-admin/includes/class-wp-ms-users-list-table.php
@@ -178,8 +178,8 @@ class WP_MS_Users_List_Table extends WP_List_Table {
 		 *
 		 * @since MU (3.0.0)
 		 *
-		 * @param array $users_columns An array of user columns. Default 'cb', 'username',
-		 *                             'name', 'email', 'registered', 'blogs'.
+		 * @param string[] $users_columns An array of user columns. Default 'cb', 'username',
+		 *                                'name', 'email', 'registered', 'blogs'.
 		 */
 		return apply_filters( 'wpmu_users_columns', $users_columns );
 	}
@@ -368,9 +368,8 @@ class WP_MS_Users_List_Table extends WP_List_Table {
 			 *
 			 * @since 3.1.0
 			 *
-			 * @param array $actions     An array of action links to be displayed.
-			 *                           Default 'Edit', 'View'.
-			 * @param int   $userblog_id The site ID.
+			 * @param string[] $actions     An array of action links to be displayed. Default 'Edit', 'View'.
+			 * @param int      $userblog_id The site ID.
 			 */
 			$actions = apply_filters( 'ms_user_list_site_actions', $actions, $val->userblog_id );
 
@@ -465,9 +464,8 @@ class WP_MS_Users_List_Table extends WP_List_Table {
 		 *
 		 * @since 3.2.0
 		 *
-		 * @param array   $actions An array of action links to be displayed.
-		 *                         Default 'Edit', 'Delete'.
-		 * @param WP_User $user    WP_User object.
+		 * @param string[] $actions An array of action links to be displayed. Default 'Edit', 'Delete'.
+		 * @param WP_User  $user    WP_User object.
 		 */
 		$actions = apply_filters( 'ms_user_row_actions', $actions, $user );
 		return $this->row_actions( $actions );
diff --git a/src/wp-admin/includes/class-wp-plugin-install-list-table.php b/src/wp-admin/includes/class-wp-plugin-install-list-table.php
index 07ee266e09..f82a42b4a8 100644
--- a/src/wp-admin/includes/class-wp-plugin-install-list-table.php
+++ b/src/wp-admin/includes/class-wp-plugin-install-list-table.php
@@ -121,8 +121,8 @@ class WP_Plugin_Install_List_Table extends WP_List_Table {
 		 *
 		 * @since 2.7.0
 		 *
-		 * @param array $tabs The tabs shown on the Plugin Install screen. Defaults include 'featured', 'popular',
-		 *                    'recommended', 'favorites', and 'upload'.
+		 * @param string[] $tabs The tabs shown on the Plugin Install screen. Defaults include 'featured', 'popular',
+		 *                      'recommended', 'favorites', and 'upload'.
 		 */
 		$tabs = apply_filters( 'install_plugins_tabs', $tabs );
 
@@ -131,7 +131,7 @@ class WP_Plugin_Install_List_Table extends WP_List_Table {
 		 *
 		 * @since 2.7.0
 		 *
-		 * @param array $nonmenu_tabs The tabs that don't have a Menu item on the Plugin Install screen.
+		 * @param string[] $nonmenu_tabs The tabs that don't have a menu item on the Plugin Install screen.
 		 */
 		$nonmenu_tabs = apply_filters( 'install_plugins_nonmenu_tabs', $nonmenu_tabs );
 
@@ -602,8 +602,8 @@ class WP_Plugin_Install_List_Table extends WP_List_Table {
 			 *
 			 * @since 2.7.0
 			 *
-			 * @param array $action_links An array of plugin action hyperlinks. Defaults are links to Details and Install Now.
-			 * @param array $plugin       The plugin currently being listed.
+			 * @param string[] $action_links An array of plugin action links. Defaults are links to Details and Install Now.
+			 * @param array    $plugin       The plugin currently being listed.
 			 */
 			$action_links = apply_filters( 'plugin_install_action_links', $action_links, $plugin );
 
diff --git a/src/wp-admin/includes/class-wp-plugins-list-table.php b/src/wp-admin/includes/class-wp-plugins-list-table.php
index 959c4e96ab..6e130f94b4 100644
--- a/src/wp-admin/includes/class-wp-plugins-list-table.php
+++ b/src/wp-admin/includes/class-wp-plugins-list-table.php
@@ -670,12 +670,12 @@ class WP_Plugins_List_Table extends WP_List_Table {
 			 *
 			 * @since 3.1.0
 			 *
-			 * @param array  $actions     An array of plugin action links. By default this can include 'activate',
-			 *                            'deactivate', and 'delete'.
-			 * @param string $plugin_file Path to the plugin file relative to the plugins directory.
-			 * @param array  $plugin_data An array of plugin data. See `get_plugin_data()`.
-			 * @param string $context     The plugin context. By default this can include 'all', 'active', 'inactive',
-			 *                            'recently_activated', 'upgrade', 'mustuse', 'dropins', and 'search'.
+			 * @param string[] $actions     An array of plugin action links. By default this can include 'activate',
+			 *                              'deactivate', and 'delete'.
+			 * @param string   $plugin_file Path to the plugin file relative to the plugins directory.
+			 * @param array    $plugin_data An array of plugin data. See `get_plugin_data()`.
+			 * @param string   $context     The plugin context. By default this can include 'all', 'active', 'inactive',
+			 *                              'recently_activated', 'upgrade', 'mustuse', 'dropins', and 'search'.
 			 */
 			$actions = apply_filters( 'network_admin_plugin_action_links', $actions, $plugin_file, $plugin_data, $context );
 
@@ -687,12 +687,12 @@ class WP_Plugins_List_Table extends WP_List_Table {
 			 *
 			 * @since 3.1.0
 			 *
-			 * @param array  $actions     An array of plugin action links. By default this can include 'activate',
-			 *                            'deactivate', and 'delete'.
-			 * @param string $plugin_file Path to the plugin file relative to the plugins directory.
-			 * @param array  $plugin_data An array of plugin data. See `get_plugin_data()`.
-			 * @param string $context     The plugin context. By default this can include 'all', 'active', 'inactive',
-			 *                            'recently_activated', 'upgrade', 'mustuse', 'dropins', and 'search'.
+			 * @param string[] $actions     An array of plugin action links. By default this can include 'activate',
+			 *                              'deactivate', and 'delete'.
+			 * @param string   $plugin_file Path to the plugin file relative to the plugins directory.
+			 * @param array    $plugin_data An array of plugin data. See `get_plugin_data()`.
+			 * @param string   $context     The plugin context. By default this can include 'all', 'active', 'inactive',
+			 *                              'recently_activated', 'upgrade', 'mustuse', 'dropins', and 'search'.
 			 */
 			$actions = apply_filters( "network_admin_plugin_action_links_{$plugin_file}", $actions, $plugin_file, $plugin_data, $context );
 
@@ -705,13 +705,13 @@ class WP_Plugins_List_Table extends WP_List_Table {
 			 * @since 2.6.0 The `$context` parameter was added.
 			 * @since 4.9.0 The 'Edit' link was removed from the list of action links.
 			 *
-			 * @param array  $actions     An array of plugin action links. By default this can include 'activate',
-			 *                            'deactivate', and 'delete'. With Multisite active this can also include
-			 *                            'network_active' and 'network_only' items.
-			 * @param string $plugin_file Path to the plugin file relative to the plugins directory.
-			 * @param array  $plugin_data An array of plugin data. See `get_plugin_data()`.
-			 * @param string $context     The plugin context. By default this can include 'all', 'active', 'inactive',
-			 *                            'recently_activated', 'upgrade', 'mustuse', 'dropins', and 'search'.
+			 * @param string[] $actions     An array of plugin action links. By default this can include 'activate',
+			 *                              'deactivate', and 'delete'. With Multisite active this can also include
+			 *                              'network_active' and 'network_only' items.
+			 * @param string   $plugin_file Path to the plugin file relative to the plugins directory.
+			 * @param array    $plugin_data An array of plugin data. See `get_plugin_data()`.
+			 * @param string   $context     The plugin context. By default this can include 'all', 'active', 'inactive',
+			 *                              'recently_activated', 'upgrade', 'mustuse', 'dropins', and 'search'.
 			 */
 			$actions = apply_filters( 'plugin_action_links', $actions, $plugin_file, $plugin_data, $context );
 
@@ -724,13 +724,13 @@ class WP_Plugins_List_Table extends WP_List_Table {
 			 * @since 2.7.0
 			 * @since 4.9.0 The 'Edit' link was removed from the list of action links.
 			 *
-			 * @param array  $actions     An array of plugin action links. By default this can include 'activate',
-			 *                            'deactivate', and 'delete'. With Multisite active this can also include
-			 *                            'network_active' and 'network_only' items.
-			 * @param string $plugin_file Path to the plugin file relative to the plugins directory.
-			 * @param array  $plugin_data An array of plugin data. See `get_plugin_data()`.
-			 * @param string $context     The plugin context. By default this can include 'all', 'active', 'inactive',
-			 *                            'recently_activated', 'upgrade', 'mustuse', 'dropins', and 'search'.
+			 * @param string[] $actions     An array of plugin action links. By default this can include 'activate',
+			 *                              'deactivate', and 'delete'. With Multisite active this can also include
+			 *                              'network_active' and 'network_only' items.
+			 * @param string   $plugin_file Path to the plugin file relative to the plugins directory.
+			 * @param array    $plugin_data An array of plugin data. See `get_plugin_data()`.
+			 * @param string   $context     The plugin context. By default this can include 'all', 'active', 'inactive',
+			 *                              'recently_activated', 'upgrade', 'mustuse', 'dropins', and 'search'.
 			 */
 			$actions = apply_filters( "plugin_action_links_{$plugin_file}", $actions, $plugin_file, $plugin_data, $context );
 
@@ -824,14 +824,14 @@ class WP_Plugins_List_Table extends WP_List_Table {
 					 *
 					 * @since 2.8.0
 					 *
-					 * @param array  $plugin_meta An array of the plugin's metadata,
-					 *                            including the version, author,
-					 *                            author URI, and plugin URI.
-					 * @param string $plugin_file Path to the plugin file relative to the plugins directory.
-					 * @param array  $plugin_data An array of plugin data.
-					 * @param string $status      Status of the plugin. Defaults are 'All', 'Active',
-					 *                            'Inactive', 'Recently Activated', 'Upgrade', 'Must-Use',
-					 *                            'Drop-ins', 'Search'.
+					 * @param string[] $plugin_meta An array of the plugin's metadata,
+					 *                              including the version, author,
+					 *                              author URI, and plugin URI.
+					 * @param string   $plugin_file Path to the plugin file relative to the plugins directory.
+					 * @param array    $plugin_data An array of plugin data.
+					 * @param string   $status      Status of the plugin. Defaults are 'All', 'Active',
+					 *                              'Inactive', 'Recently Activated', 'Upgrade', 'Must-Use',
+					 *                              'Drop-ins', 'Search'.
 					 */
 					$plugin_meta = apply_filters( 'plugin_row_meta', $plugin_meta, $plugin_file, $plugin_data, $status );
 					echo implode( ' | ', $plugin_meta );
diff --git a/src/wp-admin/includes/class-wp-posts-list-table.php b/src/wp-admin/includes/class-wp-posts-list-table.php
index a09d76c4e4..671b8f2917 100644
--- a/src/wp-admin/includes/class-wp-posts-list-table.php
+++ b/src/wp-admin/includes/class-wp-posts-list-table.php
@@ -233,9 +233,9 @@ class WP_Posts_List_Table extends WP_List_Table {
 	 *
 	 * @since 4.4.0
 	 *
-	 * @param array  $args  URL parameters for the link.
-	 * @param string $label Link text.
-	 * @param string $class Optional. Class attribute. Default empty string.
+	 * @param string[] $args  Associative array of URL parameters for the link.
+	 * @param string   $label Link text.
+	 * @param string   $class Optional. Class attribute. Default empty string.
 	 * @return string The formatted link string.
 	 */
 	protected function get_edit_link( $args, $label, $class = '' ) {
@@ -557,8 +557,8 @@ if ( $this->is_trash && current_user_can( get_post_type_object( $this->screen->p
 		 *
 		 * @since 3.5.0
 		 *
-		 * @param array  $taxonomies Array of taxonomies to show columns for.
-		 * @param string $post_type  The post type.
+		 * @param string[] $taxonomies Array of taxonomy names to show columns for.
+		 * @param string   $post_type  The post type.
 		 */
 		$taxonomies = apply_filters( "manage_taxonomies_for_{$post_type}_columns", $taxonomies, $post_type );
 		$taxonomies = array_filter( $taxonomies, 'taxonomy_exists' );
@@ -589,7 +589,7 @@ if ( $this->is_trash && current_user_can( get_post_type_object( $this->screen->p
 			 *
 			 * @since 2.5.0
 			 *
-			 * @param array $post_columns An array of column names.
+			 * @param string[] $post_columns An associative array of column headings.
 			 */
 			$posts_columns = apply_filters( 'manage_pages_columns', $posts_columns );
 		} else {
@@ -599,8 +599,8 @@ if ( $this->is_trash && current_user_can( get_post_type_object( $this->screen->p
 			 *
 			 * @since 1.5.0
 			 *
-			 * @param array  $posts_columns An array of column names.
-			 * @param string $post_type     The post type slug.
+			 * @param string[] $post_columns An associative array of column headings.
+			 * @param string   $post_type    The post type slug.
 			 */
 			$posts_columns = apply_filters( 'manage_posts_columns', $posts_columns, $post_type );
 		}
@@ -612,7 +612,7 @@ if ( $this->is_trash && current_user_can( get_post_type_object( $this->screen->p
 		 *
 		 * @since 3.0.0
 		 *
-		 * @param array $post_columns An array of column names.
+		 * @param string[] $post_columns An associative array of column headings.
 		 */
 		return apply_filters( "manage_{$post_type}_posts_columns", $posts_columns );
 	}
@@ -1335,10 +1335,10 @@ if ( $this->is_trash && current_user_can( get_post_type_object( $this->screen->p
 			 *
 			 * @since 2.8.0
 			 *
-			 * @param array $actions An array of row action links. Defaults are
-			 *                         'Edit', 'Quick Edit', 'Restore', 'Trash',
-			 *                         'Delete Permanently', 'Preview', and 'View'.
-			 * @param WP_Post $post The post object.
+			 * @param string[] $actions An array of row action links. Defaults are
+			 *                          'Edit', 'Quick Edit', 'Restore', 'Trash',
+			 *                          'Delete Permanently', 'Preview', and 'View'.
+			 * @param WP_Post  $post    The post object.
 			 */
 			$actions = apply_filters( 'page_row_actions', $actions, $post );
 		} else {
@@ -1350,10 +1350,10 @@ if ( $this->is_trash && current_user_can( get_post_type_object( $this->screen->p
 			 *
 			 * @since 2.8.0
 			 *
-			 * @param array $actions An array of row action links. Defaults are
-			 *                         'Edit', 'Quick Edit', 'Restore', 'Trash',
-			 *                         'Delete Permanently', 'Preview', and 'View'.
-			 * @param WP_Post $post The post object.
+			 * @param string[] $actions An array of row action links. Defaults are
+			 *                          'Edit', 'Quick Edit', 'Restore', 'Trash',
+			 *                          'Delete Permanently', 'Preview', and 'View'.
+			 * @param WP_Post  $post    The post object.
 			 */
 			$actions = apply_filters( 'post_row_actions', $actions, $post );
 		}
diff --git a/src/wp-admin/includes/class-wp-screen.php b/src/wp-admin/includes/class-wp-screen.php
index d4b5a9c92f..8e8499026a 100644
--- a/src/wp-admin/includes/class-wp-screen.php
+++ b/src/wp-admin/includes/class-wp-screen.php
@@ -1222,8 +1222,8 @@ if ( $this->show_screen_options() ) :
 		 *
 		 * @since 4.4.0
 		 *
-		 * @param array $view_mode_post_types Array of post types that can change view modes.
-		 *                                    Default non-hierarchical post types with show_ui on.
+		 * @param string[] $view_mode_post_types Array of post types that can change view modes.
+		 *                                       Default non-hierarchical post types with show_ui on.
 		 */
 		$view_mode_post_types = apply_filters( 'view_mode_post_types', $view_mode_post_types );
 
diff --git a/src/wp-admin/includes/class-wp-site-icon.php b/src/wp-admin/includes/class-wp-site-icon.php
index 47c48572f3..69ac09b408 100644
--- a/src/wp-admin/includes/class-wp-site-icon.php
+++ b/src/wp-admin/includes/class-wp-site-icon.php
@@ -34,7 +34,7 @@ class WP_Site_Icon {
 	 * List of site icon sizes.
 	 *
 	 * @since 4.3.0
-	 * @var array
+	 * @var int[]
 	 */
 	public $site_icon_sizes = array(
 		/*
@@ -131,12 +131,12 @@ class WP_Site_Icon {
 	}
 
 	/**
-	 * Adds additional sizes to be made when creating the site_icon images.
+	 * Adds additional sizes to be made when creating the site icon images.
 	 *
 	 * @since 4.3.0
 	 *
-	 * @param array $sizes List of additional sizes.
-	 * @return array Additional image sizes.
+	 * @param array[] $sizes Array of arrays containing information for additional sizes.
+	 * @return array[] Array of arrays containing additional image sizes.
 	 */
 	public function additional_sizes( $sizes = array() ) {
 		$only_crop_sizes = array();
@@ -146,7 +146,7 @@ class WP_Site_Icon {
 		 *
 		 * @since 4.3.0
 		 *
-		 * @param array $site_icon_sizes Sizes available for the Site Icon.
+		 * @param int[] $site_icon_sizes Array of sizes available for the Site Icon.
 		 */
 		$this->site_icon_sizes = apply_filters( 'site_icon_image_sizes', $this->site_icon_sizes );
 
@@ -179,8 +179,8 @@ class WP_Site_Icon {
 	 *
 	 * @since 4.3.0
 	 *
-	 * @param array $sizes List of image sizes.
-	 * @return array List of intermediate image sizes.
+	 * @param string[] $sizes Array of image size names.
+	 * @return string[] Array of image size names.
 	 */
 	public function intermediate_image_sizes( $sizes = array() ) {
 		/** This filter is documented in wp-admin/includes/class-wp-site-icon.php */
diff --git a/src/wp-admin/includes/class-wp-terms-list-table.php b/src/wp-admin/includes/class-wp-terms-list-table.php
index 6ca1447f33..f7dacdd13a 100644
--- a/src/wp-admin/includes/class-wp-terms-list-table.php
+++ b/src/wp-admin/includes/class-wp-terms-list-table.php
@@ -486,9 +486,9 @@ class WP_Terms_List_Table extends WP_List_Table {
 		 * @since 2.8.0
 		 * @deprecated 3.0.0 Use {$taxonomy}_row_actions instead.
 		 *
-		 * @param array  $actions An array of action links to be displayed. Default
-		 *                        'Edit', 'Quick Edit', 'Delete', and 'View'.
-		 * @param WP_Term $tag    Term object.
+		 * @param string[] $actions An array of action links to be displayed. Default
+		 *                          'Edit', 'Quick Edit', 'Delete', and 'View'.
+		 * @param WP_Term  $tag     Term object.
 		 */
 		$actions = apply_filters( 'tag_row_actions', $actions, $tag );
 
@@ -499,9 +499,9 @@ class WP_Terms_List_Table extends WP_List_Table {
 		 *
 		 * @since 3.0.0
 		 *
-		 * @param array  $actions An array of action links to be displayed. Default
-		 *                        'Edit', 'Quick Edit', 'Delete', and 'View'.
-		 * @param WP_Term $tag    Term object.
+		 * @param string[] $actions An array of action links to be displayed. Default
+		 *                          'Edit', 'Quick Edit', 'Delete', and 'View'.
+		 * @param WP_Term  $tag     Term object.
 		 */
 		$actions = apply_filters( "{$taxonomy}_row_actions", $actions, $tag );
 
diff --git a/src/wp-admin/includes/class-wp-theme-install-list-table.php b/src/wp-admin/includes/class-wp-theme-install-list-table.php
index a1ac60b628..938dab4cf3 100644
--- a/src/wp-admin/includes/class-wp-theme-install-list-table.php
+++ b/src/wp-admin/includes/class-wp-theme-install-list-table.php
@@ -76,8 +76,8 @@ class WP_Theme_Install_List_Table extends WP_Themes_List_Table {
 		 *
 		 * @since 2.8.0
 		 *
-		 * @param array $nonmenu_tabs The tabs that don't have a menu item on
-		 *                            the Install Themes screen.
+		 * @param string[] $nonmenu_tabs The tabs that don't have a menu item on
+		 *                               the Install Themes screen.
 		 */
 		$nonmenu_tabs = apply_filters( 'install_themes_nonmenu_tabs', $nonmenu_tabs );
 
@@ -334,7 +334,7 @@ class WP_Theme_Install_List_Table extends WP_Themes_List_Table {
 		 *
 		 * @since 3.4.0
 		 *
-		 * @param array    $actions An array of theme action hyperlinks. Defaults are
+		 * @param string[] $actions An array of theme action links. Defaults are
 		 *                          links to Install Now, Preview, and Details.
 		 * @param WP_Theme $theme   Theme object.
 		 */
diff --git a/src/wp-admin/includes/class-wp-users-list-table.php b/src/wp-admin/includes/class-wp-users-list-table.php
index 90e244208c..a8de2904be 100644
--- a/src/wp-admin/includes/class-wp-users-list-table.php
+++ b/src/wp-admin/includes/class-wp-users-list-table.php
@@ -452,10 +452,10 @@ class WP_Users_List_Table extends WP_List_Table {
 			 *
 			 * @since 2.8.0
 			 *
-			 * @param array   $actions     An array of action links to be displayed.
-			 *                             Default 'Edit', 'Delete' for single site, and
-			 *                             'Edit', 'Remove' for Multisite.
-			 * @param WP_User $user_object WP_User object for the currently-listed user.
+			 * @param string[] $actions     An array of action links to be displayed.
+			 *                              Default 'Edit', 'Delete' for single site, and
+			 *                              'Edit', 'Remove' for Multisite.
+			 * @param WP_User  $user_object WP_User object for the currently listed user.
 			 */
 			$actions = apply_filters( 'user_row_actions', $actions, $user_object );
 
@@ -571,7 +571,7 @@ class WP_Users_List_Table extends WP_List_Table {
 	 * @since 4.4.0
 	 *
 	 * @param WP_User $user_object The WP_User object.
-	 * @return array An array of user roles.
+	 * @return string[] An array of user roles.
 	 */
 	protected function get_role_list( $user_object ) {
 		$wp_roles = wp_roles();
@@ -593,8 +593,8 @@ class WP_Users_List_Table extends WP_List_Table {
 		 *
 		 * @since 4.4.0
 		 *
-		 * @param array   $role_list   An array of user roles.
-		 * @param WP_User $user_object A WP_User object.
+		 * @param string[] $role_list   An array of user roles.
+		 * @param WP_User  $user_object A WP_User object.
 		 */
 		return apply_filters( 'get_role_list', $role_list, $user_object );
 	}
diff --git a/src/wp-includes/media.php b/src/wp-includes/media.php
index 614497a46b..a52048f475 100644
--- a/src/wp-includes/media.php
+++ b/src/wp-includes/media.php
@@ -2899,17 +2899,16 @@ function get_attachment_taxonomies( $attachment, $output = 'names' ) {
 }
 
 /**
- * Retrieves all of the taxonomy names that are registered for attachments.
+ * Retrieves all of the taxonomies that are registered for attachments.
  *
  * Handles mime-type-specific taxonomies such as attachment:image and attachment:video.
  *
  * @since 3.5.0
- *
  * @see get_taxonomies()
  *
  * @param string $output Optional. The type of taxonomy output to return. Accepts 'names' or 'objects'.
  *                       Default 'names'.
- * @return array The names of all taxonomy of $object_type.
+ * @return string[]|WP_Taxonomy[] Array of names or objects of registered taxonomies for attachments.
  */
 function get_taxonomies_for_attachments( $output = 'names' ) {
 	$taxonomies = array();
diff --git a/src/wp-includes/taxonomy.php b/src/wp-includes/taxonomy.php
index 23a274f1ca..df828b0fc9 100644
--- a/src/wp-includes/taxonomy.php
+++ b/src/wp-includes/taxonomy.php
@@ -178,7 +178,7 @@ function create_initial_taxonomies() {
  * @param string $operator Optional. The logical operation to perform. Accepts 'and' or 'or'. 'or' means only
  *                         one element from the array needs to match; 'and' means all elements must match.
  *                         Default 'and'.
- * @return array A list of taxonomy names or objects.
+ * @return string[]|WP_Taxonomy[] An array of taxonomy names or objects.
  */
 function get_taxonomies( $args = array(), $output = 'names', $operator = 'and' ) {
 	global $wp_taxonomies;
diff --git a/src/wp-includes/theme.php b/src/wp-includes/theme.php
index 564085a0b1..2a2922950d 100644
--- a/src/wp-includes/theme.php
+++ b/src/wp-includes/theme.php
@@ -28,7 +28,7 @@
  *     @type int   $blog_id (Multisite) The blog ID used to calculate which themes are allowed.
  *                          Defaults to 0, synonymous for the current blog.
  * }
- * @return array Array of WP_Theme objects.
+ * @return WP_Theme[] Array of WP_Theme objects.
  */
 function wp_get_themes( $args = array() ) {
 	global $wp_theme_directories;
diff --git a/src/wp-includes/update.php b/src/wp-includes/update.php
index 2bcf838497..efb97002c0 100644
--- a/src/wp-includes/update.php
+++ b/src/wp-includes/update.php
@@ -600,7 +600,7 @@ function wp_maybe_auto_update() {
  *
  * @since 3.7.0
  *
- * @return array
+ * @return object[] Array of translation objects that have available updates.
  */
 function wp_get_translation_updates() {
 	$updates    = array();