access-denied advice alert appropriate-behavior appropriate-behaviour authorised-approval authorized-approval behave behavior behaviour communicate communication denied direction entry-denied entry-prohibited keep-out limitations limited no-access no-admission no-admittance no-entry not-allowed not-permitted permission-denied prohibited prohibition red. restricted restriction restrictions sign unauthorised unauthorized warning white appropriate behavior appropriate behaviour black care danger dangers not allowed not permitted permission denied red risk risks signs swimmers swimming water arrow blue communicating concern dangerous directions disapproval disapproved information informing no-standing prohibitions protect protection restricted risky roadside rules safety sun-rays sunlight sunlit symbols warning-sign area cigarettes environment health health-risk no-smoking pollution unhealthy ban banned birds catch chase deer do not hunt hunt hunter hunting illegal man no hunting roadsign roadsigns roe scare scare away scaring spooky access-limited advising allocated allocation approved authorised authorized automobiles boom-gate directive emergency emergency-vehicles limited-access 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