Publishing/Unpublishing Pages
To make a page active, go to the page list for your specific group (edit site > edit pages > select group), check the box in the “Active” column for the pages you wish to appear in the navigation menu, and then click the "Save" button.
When working on a page, you can also make a page active by choosing the "yes" option in the Settings panel of the page editor area or by choosing the "save and publish" button.
NOTE: when a page is made inactive, it will also be hidden from the site map and the search engine. However, users CAN still view the page if they have a direct page URL link.