Ключевые слова: asphalt, background, competition, concept, conceptual, day, daylight, direction, drawn, exercise, floor, grey, ground, high angle view, horizontal, information, instruction, line, lined, lines, mark, outdoors, outside, paint, painted, paved, pink, purple, race, recreation, road, run, running, sign, sport, start, start sign, stop, stop sign, surface, symbol, track, urban, warning, yellow,