alternatives arrows blue blue on white choice choices decisions directions options possibilities reflective sign sign street sign white name nomenclature pagan paganism reflective street name thought-provoking wicca witchcraft witches black care caution communicating communication crossing informing pedestrians speed reduction traffic traffic flow warning yellow circular directing direction directional indication indicator roundabout black-on-white gray grey law left-turn no-alternative only pointer pointing signs specific street-sign traffic-flow traffic-sign vehicles vehicular wording arrow city direct graphic grid honeycomb inform orange point reflect warn denied directive not allowed not permitted parking permission denied prohibited prohibition red road sign stop verge curved give-way triangle triangular circle no parking one-way one-way-signs no right turn