Ключевые слова: agreement, authority, authorized, bureaucracy, business, certificate, classified, concept, confidential, confirm, contract, document, documentation, enclosed, file, icon, important, information, ink, label, letter, office, official, paper, paperwork, password, privacy, private, prohibited, prosperity, protection, red, restrict, restricted, restrictions, rubber, secret, secure, security, sensitive, sign, special, spy, stamp, stamper, symbol, text, top secret, validity,