Ключевые слова: accident, alert, arrow, attention, background, beware, black, blank, blue, car, carefully, caution, cloud, concept, curve, curvy, danger, dangerous, direction, directional, doodle, drawing, drawn, drive, element, highway, icon, idea, pencil, post, risk, road, round, school, sign, signpost, silhouette, sketch, sky, street, symbol, traffic, transport, transportation, turn, warning, white, yellow, zone,