Ключевые слова: accident, alarm, alert, app, attention, bell, beware, black, button, caution, clock, danger, dangerous, emergency, error, exclamation, failure, flashing, flat, hazard, icon, illustration, important, information, interface, line, mark, megaphone, message, mistake, notice, notification, outline, point, problem, remind, reminder, risk, safety, security, sign, signal, simple, siren, symbol, triangle, virus, warning, web,