The page_description object
Returns the description of a page set in its respective section in the admin.
page_description can be used for providing a brief description of a page in search engine listings and posts shared in social media feeds.
For product, page, collection, blog, and blog article resources, the
page_description is taken from the search engine listing settings. For the homepage, the
page_description is taken from the online store's preferences in the admin. Learn more about editing titles and meta descriptions.