Ключевые слова: background, bird, caution, color, concept, curve, danger, direction, directional, drive, go, guide, highway, icon, image, information, law, metal, one, outside, paper, plate, point, pointer, pole, recycled, road, roadsign, round, safety, separate, sign, space, steel, street, symbol, traffic, transport, transportation, travel, turn, warning, way, white,