alert appropriate-behavior appropriate-behaviour black blue care communicating communication concern danger dangerous denied directions disapproval disapproved inform information informing not-allowed not-permitted permission-denied prohibited prohibition prohibitions protect protection red restricted restrictions risks risky rules safety sign signs symbols warning warning-sign white words advice be-careful beware Cacti cactus cactus-garden careful caution conditions lookout risk dangers deep deep-water depth direction don’t-alight flowers foliage plants river riverside water wet church instruction lot no not park parking shalt thou traffic flower forget-me-not forgetmenot garden myosotis summer sun violett access-denied access-limited behave behavior behaviour cautious communicate keep-out keep-to-path no-access no-entry restriction appropriate behavior appropriate behaviour avoid not allowed not permitted permission denied 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 message please polite rectangle rectangular signage text angry answer emphatic exclamation mark nay negative stop word