advice advising alert appropriate-behavior appropriate-behaviour avoid ban banned behave black communicate communication denied directive information informing no-golf not-allowed not-permitted permission-denied prohibited prohibition red restricted restriction restrictions risk risks risky safety sign signage warning white access denied closed communicating denying access denying entry entrance barred forbidden gates not allowed not permitted permission denied protected protection restricted area secure security security check-point serious stop blue care concern danger dangerous directions disapproval disapproved inform prohibitions protect rules signs symbols warning-sign words be-careful beware Cacti cactus cactus-garden careful caution conditions lookout church instruction lot no not park parking shalt thou traffic flower forget-me-not forgetmenot garden myosotis summer sun violett dangers deep deep-water depth direction don’t-alight flowers foliage plants river riverside water wet access-denied access-limited behavior behaviour cautious keep-out keep-to-path no-access no-entry appropriate behavior appropriate behaviour polluted pollution toxic toxicity warning sign water pollution water toxicity weathered worn access-limitations authorise authorised authority building electricity electricity-supply exceptions limitations limited limited-entry power power-supply regulations responsible balsam England Himalayan impatiens pink Sussex touch-me-not wild