Ключевые слова: blue, business, classified, communication, confidential, confidentiality, data, design, document, espionage, file, folder, forbidden, government, idea, information, intelligence, key, label, letter, lock, message, mystery, office, plate, privacy, private, protection, report, restricted, safety, secrecy, secret, secure, security, spy, text, top, top secret, typewriter, typing, white, word, write,