On this tab, you can set the general properties of the group:

 

•Display name - name of the group displayed on the site and in the administration interface

•Code name - name of the group used in site code

•Description - text describing the group

•Group pages location - node alias path of the location where group pages of the group are stored

•Theme - allows the selection of one of the website CSS stylesheets that will be used by the pages of the group

•Avatar - group avatar image

 

•Approve members - determines if users can join the group with or without group admin's approval; the last options allows invited members to join without the approval

•Content access - determines who can view content of the group pages

•Notify group admins when a user joins/leaves - if checked, group administrators will receive notification e-mail when a user joins/leaves a group

•Notify group admins on pending members - if checked, group administrators will receive notification e-mail when a user requests joining a group and admin's approval is needed

 

•Created by - displays who created the group

•Approved by - displays who approved the group to be created on the site
 

More resources can be found at Developer's Guide -> Modules -> Groups -> Overview.