Ключевые слова: address, advertising, background, blue, box, carrier, communication, contact, container, copy, correspondence, courier, deliver, delivering, delivery, direct, door, envelopes, fast, full, greeting, home, house, invitation, keeping, letterbox, letters, mail, mailbox, mailing, many, message, news, object, open, outdoors, paper, post, postage, postal, postbox, postman, private, receive, send, service, sky, space, storage, text,