appearance ban banned behave behavior behaviour black danger denied destruction fire fires not-allowed not-permitted permission-denied prohibited prohibition red restricted restriction restrictions roadside sign warning white appropriate behavior appropriate behaviour care communication dangers not allowed not permitted permission denied risk risks signs swimmers swimming water alert appropriate-behavior appropriate-behaviour arrow blue communicating concern dangerous directions disapproval disapproved information informing no-standing prohibitions protect protection risky rules safety sun-rays sunlight sunlit symbols warning-sign area cigarettes direction environment health health-risk no-smoking pollution unhealthy birds catch chase deer do not hunt hunt hunter hunting illegal man no hunting roadsign roadsigns roe scare scare away scaring spooky access-limited advice advising allocated allocation approved authorised authorized automobiles boom-gate communicate directive emergency emergency-vehicles entry-denied entry-prohibited limited limited-access no-access no-entry unauthorised unauthorized vehicles keep-off members membership prosecution trespassing fishing ground ground-level no-fishing pier waterside directing directional parking purple road-sign stop street-sign traffic traffic-flow verge