Ключевые слова: 3d illustration, abstract, advice, alarm, alertness, background, black, black and white, blue, clip art, communication, computer graphic, concentration, concept, cut out, danger, design, design element, exclamation, exclamation point, failure, horizontal, icon, icon symbol, idea, illustration, information, label, mark, message, mistake, multiple, outline, pattern, point, problem, risk, safety, security, shadow, shape, shouting, sign, simplicity, speech, square composition, symbol, warning sign, warning symbol, white color,