Ключевые слова: archive, background, business, case, classification, classified, closeup, concept, confidential, data, detective, documents, female, folder, forbidden, gag, government, hand, hide, important, imprint, indoors, information, intelligence, investigation, letter, mail, message, military, note, office, organization, paper, person, privacy, private, report, restricted, safety, secrecy, secret, secure, security, sign, stamp, symbol, taking, text, top, woman,