Ключевые слова: access, accessibility, background, binder, business, chain, close, concept, conceptual, confidential, confidentiality, crime, cut, data, deny, document, encryption, file, folder, grey, information, isolated, keeper, lock, media, mysterious, office, padlock, prevent, prevention, privacy, private, protect, protection, red, restricted, restriction, ring, safe, safety, secrecy, secret, secure, secured, security, store, symbol, tie, unlock, up, white, work,