Ключевые слова: 2d, abstract, background, banner, black, caution, concept, danger, dead, dead end, design, detour, end, finish, gray, highway, hopeless, icon, illustration, image, isolated, label, limit, message, no, orange, picture, pointless, problem, restricted, restriction, road, roadsign, safety, sign, signboard, square, stop, symbol, traffic, transportation, vivid, warning, way, white, wrong, yellow, yield,