Ключевые слова: advertising, background, billboard, black, blackboard, blank, board, chalkboard, color, colorful, colour, communication, design, empty, frame, idea, info, information, it, memo, message, new, note, notepaper, notes, notice, noticeboard, notification, objects, office, pad, paper, post, remember, reminder, school, set, small, sticker, sticky, supply, todo, white, write, yellow,