Ключевые слова: ahead, arrow, arrows, art, arts, asian, asphalt, avenue, bend, beware, black, blue, care, caution, circle, clockwise, communications, contemporary, country, curve, danger, direction, directional, drive, environment, field, forest, garden, geometric, grass, green, hazard, highway, hill, horizon, information, journey, jungle, landscape, left, line, mountain, natural, nature, nobody, object, old, or, outdoors, rest, right, road, roadsign, roundabout, rural, safety, scenes, shape, sign, signs, single, sky, slow, speed, spring, street, symbol, traffic, transport, transportation, travel, tree, trip, urban, visual, warning, way, yellow,