Ключевые слова: address, air, airmail, background, blank, blue, business, communication, concept, conceptual, congratulation, copy, copyspace, correspond, correspondence, data, delivery, detail, dispatch, document, e mail, email, envelope, file, forward, information, letter, mail, mailing, message, metaphor, news, notification, old, open, paper, post, postage, postal, receive, red, send, service, ship, sleeve, textfield, transport, vintage, white, write,