Choose the Collapse submenu to collapse the children,
  access control list (ACL), attributes, or the
  membership list of a CMS object back into the object.

  To collapse the children, ACL, attributes, or
  membership list of an object, follow these steps (the
  item must have been previously expanded):

  1. Click on the desired object (for instance, a group).
  2. Pull down the View menu.
  3. Pull down the Collapse submenu.
  4. Choose the Children, ACLs, Attributes, or Membership
     menu item.