Ключевые слова: above, abstract, background, black, blue, business, city, communication, concept, connection, control, emergency, empty, fast, food, hand, horizontal, industry, light, man, mobile, modern, movement, night, old, one, people, plate, pointing, red, road, room, sign, sky, stop, street, symbol, technology, top, transport, transportation, travel, trip, two, urban, warning, white, window, woman, yellow,