Ключевые слова: address, airmail, background, blank, book, brown, business, card, color, communication, concept, confidential, correspondence, data, delivery, design, detail, dirty, document, empty, envelope, grunge, horizontal, information, isolated, letter, mail, mailing, message, money, object, office, old, open, package, packet, paper, post, postage, postal, receive, retro, send, service, single, stationery, texture, vintage, white, write,