Ключевые слова: alarm, alert, allowed, authorized, background, ban, banner, beware, blunder, bug, button, danger, dangerous, error, expired, fail, failure, false, forbidden, hazard, icon, illustration, isolated, keep, late, mistake, no, not, oops, prevent, problem, prohibited, restricted, restriction, rhombus, road, roadsign, safety, security, sign, sorry, surprise, symbol, warning, white, wonder, wrong, yellow,