Ключевые слова: address, background, blank, business, communication, correspondence, document, envelope, greeting card, handwritten, image, information, invitation, letter, letter carrier, letterhead, mail, mail delivery, mail service, mail sorting, mailing, mailing address, message, object, office, paper, paper envelope, post, post office, postage, postage label, postage rate, postage stamp, postal, postman, sealed, send, sending, snail mail, stationery, white,