Ключевые слова: accident, alarm, alert, art, button, caution, color, computer, concept, design, doubtful, error, files, forced stop, graphic, hazard, homepage, icon, icons, illustration, importance, important, indicator, information, isolated, laptop, line, linear, message, notification, occasion, pictogram, pointer, priority, safety, security, shortcut, sign, space, stencil, suspicious, symbol, threat, triangle, unsafe, warning, web, zone,