Ключевые слова: angle, blue, car, caution, center, clouds, color, communication, concepts, control, culture, direction, driving, english, german, germany, give, highway, image, isolated, landscape, low, metal, nobody, object, octagon, outdoors, red, road, roadside, safety, scene, shape, sign, single, sky, speed, stop, street, sunlight, symbol, text, traffic, transportation, vertical, view, warning, way, white, word,