Ключевые слова: antivirus software, arrow symbol, bubble, computer graphic, credit card, credit card purchase, delete key, electricity, garbage can, global, global business, globe navigational equipment, graphical user interface, group of objects, homepage, hourglass, house, icon, icon set, illustration, internet, lightning, lock, locking, mouse pointer, network security, online chat bubble, opening, padlock, paying, power supply, safety, security, shield, sign, speech, speech bubble, symbol, talking, time, wastepaper basket, web page,