function get_default_block_template_types() {
	$default_template_types = array(
		'index'          => array(
			'title'       => _x( 'Index', 'Template name' ),
			'description' => __( 'Displays posts.' ),
		),
		'home'           => array(
			'title'       => _x( 'Home', 'Template name' ),
			'description' => __( 'Displays posts on the homepage, or on the Posts page if a static homepage is set.' ),
		),
		'front-page'     => array(
			'title'       => _x( 'Front Page', 'Template name' ),
			'description' => __( 'Displays the homepage.' ),
		),
		'singular'       => array(
			'title'       => _x( 'Singular', 'Template name' ),
			'description' => __( 'Displays a single post or page.' ),
		),
		'single'         => array(
			'title'       => _x( 'Single Post', 'Template name' ),
			'description' => __( 'Displays a single post.' ),
		),
		'page'           => array(
			'title'       => _x( 'Page', 'Template name' ),
			'description' => __( 'Displays a single page.' ),
		),
		'archive'        => array(
			'title'       => _x( 'Archive', 'Template name' ),
			'description' => __( 'Displays post categories, tags, and other archives.' ),
		),
		'author'         => array(
			'title'       => _x( 'Author', 'Template name' ),
			'description' => __( 'Displays latest posts written by a single author.' ),
		),
		'category'       => array(
			'title'       => _x( 'Category', 'Template name' ),
			'description' => __( 'Displays latest posts in single post category.' ),
		),
		'taxonomy'       => array(
			'title'       => _x( 'Taxonomy', 'Template name' ),
			'description' => __( 'Displays latest posts from a single post taxonomy.' ),
		),
		'date'           => array(
			'title'       => _x( 'Date', 'Template name' ),
			'description' => __( 'Displays posts from a specific date.' ),
		),
		'tag'            => array(
			'title'       => _x( 'Tag', 'Template name' ),
			'description' => __( 'Displays latest posts with a single post tag.' ),
		),
		'attachment'     => array(
			'title'       => __( 'Media' ),
			'description' => __( 'Displays individual media items or attachments.' ),
		),
		'search'         => array(
			'title'       => _x( 'Search', 'Template name' ),
			'description' => __( 'Displays search results.' ),
		),
		'privacy-policy' => array(
			'title'       => __( 'Privacy Policy' ),
			'description' => __( 'Displays the privacy policy page.' ),
		),
		'404'            => array(
			'title'       => _x( '404', 'Template name' ),
			'description' => __( 'Displays when no content is found.' ),
		),
	);

	/**
	 * Filters the list of template types.
	 *
	 * @since 5.9.0
	 *
	 * @param array $default_template_types An array of template types, formatted as [ slug => [ title, description ] ].
	 */
	return apply_filters( 'default_template_types', $default_template_types );
}