This is not the real Inventory page. This page exists so that you can set the site’s home page to the Inventory list in the Customizer or the Settings > Reading admin page. The Inventory “page” is actually a custom post type archive, and typically will not show up in those settings drop downs. All requests for this page will be redirected to the Inventory archive.
about
Sample Page
This is an example page. It’s different from a blog post because it will stay in one place and will show up in your site navigation (in most themes). Most people start with an About page that introduces them to potential site visitors. It might say something like this: Hi there! I’m a bike messenger […]