The Permissions button gives you a range of options for determining which users and groups are allowed to view and modify the page. If you have advanced permissions enabled then there will be more choices for permissions. 

Recent Discussions on this Topic

Limiting Available Subpage Pagetypes

Hi. I'm running 5.6.1 on a site where I would like to limit the set of pagetypes offered to users when they add a subpage dependant on their group membership and where the page is being created. This used to be available via the advanced permissions "Curr…

Permissions Documentation omission

Did something get changed on the Permissions Documentation page under the Advanced Permissions instructions? There is no example of the line of PHP required after the sentence "To enable advanced permissions, add the following line to "config/site.p…