Ключевые слова: address, background, banner, blank, blue, business, card, communication, concept, contact, copy space, correspondence, design, document, empty, envelope, free space, gift, greeting, greeting card, identity, information, invitation, letter, mail, message, mock up, mockup, note, office, open, page, paper, post, post card, postage, postal, postcard, promotion, receive, red, send, sheet, showcase, stationery, template, writing,