Ключевые слова: address, background, box, building, color, communicate, communication, container, correspondence, day, deliver, delivery, design, door, home, house, incoming, keeping, letter, letterbox, letters, lock, logistics, mail, mailbox, mailboxes, mailing, message, metal, modern, nobody, object, outdoors, personal, post, postage, postal, postbox, private, receive, residential, send, service, storage, town, view, white,