A "page" is the display on the phone's screen at a certain point in time (applications often contain several pages, and the user can navigate from one page to the other).
Starting wity version 2.0.7, a Page can have the property html.includeInNavbar. If this property exists and is set to false, the page is not included in the Navigation Bar.
You can freely define the content of the page, but the Page template helps you include frequently used elements:
Sample modeling (a single page app) - Gusetbook:
For best results, use the Firefox browser..