advice alert appropriate-behavior appropriate-behaviour area assemble assembling Assembly communicating communication direction emergency evacuate evacuation gathering green meeting meeting-place message outdoors outside people place point safety security sign staff white workers 3-D attention banned cigarettes danger directive distinctive environment eye-catching glassy health health-risk location no-smoking not-allowed not-permitted permission-denied plastic pollution prohibited prohibition raised style surface surfaces surfacing symbol tactile texture textured textures thick thin unhealthy warning wording words animals announcement black care careful caution concern control controlled directions dog dogs information informing lead leash nature nature-reserve outdoor-activity park pet pets public requirement restrain restrained restricted restriction rules signs text under-control cars clearway communicate dangerous denied keep-clear law legal no-parking no-standing no-temporary-parking red refusal restrictions risk risks risky road road-safety road-side unacceptable vehicles warning-sign be-careful beware cautious conditions Look looking lookout observant road-conditions road-risks rural slippage slippery slow slow-down speed speed-reduction tractor tractors traffic watch watch-out access-denied parking appropriate behavior appropriate behaviour get together group meeting place meeting point access availability color coloration colored colors colour coloured colours contrast convenience embossed embossing informative ladies-and-gents lettering loo personal public-convenience public-toilet rest-rooms sanitation script toilet toilets wc word avoid deep polluted protect protection toxic toxicity water water-pollution water-toxicity weathered