The Permissions tab of the Group property sheet has the following components:
Permissions list Shows all the tables the group has permissions on, as well as the user who owns each table. You can click the fields beside each group to grant or revoke permissions; double-clicking (so that a checkmark and two + signs appear) gives the group grant options for the permission.
Show Select what type of object appears in the Permissions list:
Tables All tables the group has permissions on.
Views All views that the group has permissions on.
Procedures & functions All procedures and functions the group has permissions on. You can only grant Execute permissions for procedures and functions.