You can hide a page from the navigation at any time, and show it in the navigation again if you need to allow easy access to the page again.
To hide a page from the navigation of the site:
Click on the Pages tab on the pane on the right-hand side of the screen
Position the mouse over the page you wish to hide, then click on the ellipses to show a menu of options
Choose Hide from Navigation from the menu displayed
The page will show as being hidden from the navigation.
To show the page in the navigation again:
Click on the Pages tab on the pane on the right-hand side of the screen
Position the mouse over the page you wish to show, then click on the ellipses to show a menu of options
Choose Show in Navigation from the menu displayed