Ключевые слова: abstract, access, alarm, alert, alertness, attention, background, business, button, closeup, communication, computer, concept, control, cooperation, danger, dangerous, enter, error, finger, hand, icon, idea, insurance, internet, key, keyboard, keypad, laptop, macro, mistake, notebook, order, pc, press, problem, push, red, risk, security, solution, sos, stop, symbol, technology, virus, warning, white, work, working,