Ключевые слова: address, background, blank, blue, business, button, card, communication, computer, concept, connection, contact, correspondence, design, document, email, envelope, graphic, icon, illustration, information, internet, isolated, letter, mail, mailing, message, object, office, open, paper, post, postage, postal, postcard, postmark, receive, receiving, send, service, sign, site, stamp, symbol, web, website, white,