Ключевые слова: alert, allowed, attention, background, badge, ban, black, blank, caution, circle, communication, concept, danger, design, flat, forbid, forbidden, graphic, hazard, icon, illustration, information, isolated, line, logo, mark, no, notice, outline, pictogram, prevent, prohibit, prohibited, prohibition, red, restrict, restriction, risk, road, safety, sign, signal, stop, symbol, warning, web, white, wrong,