Definition : A system, subsystem or sidesystem that keeps the alters inside safe, away from danger
Flag Meaning : The blue diamond represents the Secure System itself. The yellow represents the gatekeepers, caretakers and other guardians that protect the rest of the system. The grey gradient represents the rest of the system. The darker grey blurred gradient represents how the “bad” or “dangerous” parts of the system may be blurred to those in the Secure System.