Ключевые слова: angle, attention, background, car, caution, center, cloud, clouds, color, concept, concepts, control, danger, dark, direction, drive, entry, highway, metal, no, rainy, red, road, roadsign, safety, sign, signal, sky, slippery, speed, storm, street, symbol, traffic, transport, transportation, urban, vertical, warning, way, weather, white, wind,