You can edit your profile, and other user profiles if you are an administrator.
You can set a profile image, and edit the various profile fields.
Roles and security
You can here define if a user is enabled, locked or expired.
If you are an administrator, you can also define the role of the user :
Manager : full administration of the company, creation / editing / deleting contents
Guest : view role on specific zones, with reports and statistics
A user cannot be a guest and an admninistrator at the same time.
As an administrator, you can create a user for your company, define if he is enabled, locked or expired.
You should also set the user role as guest or administrator.