They go to open the door to the outside world and other groups co-dependent activities, then make their own behind closed doors recuperate safeguard its own security survival.
Open the door and make themselves to the outside world and other groups to share the activities, closed doors to make their own rest and recuperation to maintain their own security.
Open the door and make oneself go to the outside world and other groups to rely on activities together, and close the door makes oneself recuperate and maintain their own safe survival.