Ключевые слова: attention, background, car, caution, city, color, colorful, communication, concept, conceptual, control, danger, day, figure, freedom, go, green, human, lamp, light, man, modern, moving, nature, pattern, people, red, road, rule, safe, safety, security, semaphore, sign, signal, stop, stoplight, street, symbol, traffic, traffic lights, transport, transportgreen, tree, urban, vitality, walk, warning, yes,