Ключевые слова: advertisement, advertising, announcement, attention, blackboard, board, business, buy, chalk, chalk drawing, chalkboard, clothing, commerce, commercial, communication, concept, consumer, discount, fashion, hand, handwriting, holding, information, mall, marketing, message, new, offer, online, open, price, promotion, purchase, retail, sale, sales, sell, shop, shopping, sign, special offer, spring sale, store, style, text, write, writing,