Ключевые слова: abstract, agree, agreement, beginnings, black, button, choice, circle, click, closeup, communication, computer, concepts, control, data, discovery, electronic, go, green, human, icon, ideas, information, internet, isolated, key, keyboard, keypad, line, macro, media, modern, network, ok, okay, one, pointing, press, push, round, searching, service, set, sign, starting, symbol, technology, video, view, web,