Ключевые слова: address, addresser, backdrop, background, blue, business, closed, closeup, color, colorful, communication, concept, correspondence, deliver, delivering, delivery, design, different, envelope, envelopes, flat, group, invitation, lay, letter, mail, mailing, many, message, object, pack, package, paper, pattern, post, postal, receive, send, sender, service, shipment, simple, stationery, texture, top, transfer, view, vintage, wallpaper, white,