Ключевые слова: abstract, advice, arrow, black, bright, car, caution, circle, color, concrete, control, curve, direction, drive, exit, garage, go, guide, hazard, icon, information, law, left, limit, nature, no, not, old, plank, plate, rectangle, red, right, road, round, safety, sign, steel, street, structure, symbol, traffic, transportation, turn, warning, way, white, wood, wooden,