Ключевые слова: arrow, background, blue, business, car, circle, city, communication, concept, control, crossing, danger, day, design, direction, europe, forbidden, highway, horizontal, information, nature, navigation, no people, outdoors, park, pole, prohibited, red, road, road sign, safety, signal, signs, sky, stop, street, sunny, symbol, text, tourism, traffic, traffic sign, transportation, travel, warning, warning sign, way, white,