In addition to the defaults, the page has the following types, which can be changed in the "Type" field of the style bar
This is the top page of the site that is displayed when you visit a URL without a path. You can also set it by leaving the path blank.
The item detail page set up with the CMS function will be of this page type. You can configure the page with a variety of dynamic data.
This is a 404 error page that will be displayed when you visit a URL with a non-existent path. You can also set the path to "404".
It is a window that can be opened over a regular page, and you can edit the size, layout, and background box fill just like a regular page, and you can also set the display behavior with the style bar.