Ключевые слова: abstract, active, background, bank, black, card, code, computer, concept, confuse, credit, data, development, digital, display, envelope, information, internet, language, letter, macro, money, number, paper, password, pattern, pin, program, programming, protect, protection, safe, safety, screen, script, secure, security, site, surface, symbol, technology, text, texture, web, white,