Changing visibility

Pages can be visible or invisible. If a page is invisible the link to this page becomes invisible also. The page is reachable if you enter the complete address of that page or the alternative address. Invisible pages hold the information and don't delete anything. You can edit the invisible pages as well.

To change the visibility of a page :

To change the visibility of an element click on the visibility status icon in the element list.

Means that the element is visible, while means the element is invisible