Ключевые слова: approval, approved, background, bureau, business, communication, confidential, confirm, delivery, design, document, element, file, folder, guarantee, information, label, letter, macro, mail, mark, office, one, package, paper, paperwork, post, postage, print, privacy, private, rubber, secrecy, secret, secretary, security, shape, sign, stamp, symbol, text, top, white, wood, wooden, word, work,