Ключевые слова: background, banner, blackboard, blank, blankness, board, card, chalk, chalkboard, contact, dear, deliver, design, document, envelope, express, flat, form, format, gratitude, icon, idea, information, label, lacunae, letter, mail, message, office, outlook, page, paper, pattern, post, postage, postal, postcard, postmark, scheme, seal, send, sign, stamp, symbol, text, thank, title, write, you,