This configures group specific access permissions which apply to currently installed modules or blocks.
Edit Groups
Allows you to edit currently active groups, and add move users to/from the current list.
See below for details.
Note: If a member belongs to multiple groups, then his highest access rights apply.
Create New Group
Allows you to create a new group with specific permissions.
Name:
A indicative name for your new groups (admin, customers, etc)
Description:
Simple description to help you remember what this group is.
Module Admin rights:
Members belonging to this group will have FULL admin rights on a module if you check a module here. Be careful.
The below usefull for letting anonymous users access certain parts of your site, but not others and vice versa.
Module Access rights:
Which modules this group may access.
Note: To remove modules from your navigation menu see: admin/modules
Block Access Rights:
Any blocks unchecked here, will not appear on you site for this group (invisible)
Left:
Left blocks you would like to have appear or not for this group.
Right:
Right blocks you would like to have appear or not for this group.
Center:
Center blocks you would like to have appear or not for this group.