Ключевые слова: advice, ahead, alert, arrow, attention, background, banner, black, blank, business, car, caution, city, color, communication, concept, danger, design, direction, drive, frame, graphic, highway, icon, information, isolated, law, left, metal, outdoor, outside, red, road, safety, sign, speed, stop, street, symbol, traffic, transport, transportation, travel, turn, vehicle, warning, way, white, yellow,