Ключевые слова: address, back, background, blank, business, card, clean, closed, communication, company, contact, corporate, correspondence, cover, design, document, empty, envelope, example, greeting, grey, hand, holding, identity, letter, letterhead, mail, mailing, message, modern, object, office, open, paper, post, postage, postal, postcard, print, receive, sample, send, sheet, space, stationery, text, white, wooden, write, writing,