Ключевые слова: address, background, blank, business, card, clean, color, communication, copy, correspondence, cover, delivery, design, document, empty, envelope, greeting, information, invitation, letter, mail, message, mockup, nobody, notification, object, office, one, open, paper, pink, post, postage, postal, postcard, receive, send, sheet, simple, single, space, stationery, style, symbol, text, top, view, violet,