User account

Account information
Spaces are allowed; punctuation is not allowed except for periods, hyphens, and underscores.
A valid e-mail address. All e-mails from the system will be sent to this address. The e-mail address is not made public and will only be used if you wish to receive a new password or wish to receive certain news or notifications by e-mail.
A brief description for the group details block and the group directory.
Should this group appear on the list of groups page (requires OG Views module)? Disabled if the group is set to private group.
Groups
How should membership requests be handled in this group? When you select closed, users will not be able to join or leave.
birthday
Should this group be visible only to its members? Disabled if the group is set to List in Directory or Membership requests: open.