Ключевые слова: access, allowed, area, authorized, background, business, caution, censorship, closed, computer, concept, conceptual, data, denied, enter, entrance, entry, error, financial, gesture, hacker, hand, internet, isolated, members, message, no, not, only, painted, password, permission, permit, privacy, private, protected, protection, rejected, restricted, secured, security, sign, stop, symbol, text, warning, web, website, white, zone,