Ключевые слова: abstract, announcement, antique, art, background, banner, billboard, black, blackboard, blank, board, business, chalk, chalkboard, communication, concept, design, display, drawing, easel, education, empty, frame, green, grunge, information, isolated, legs, menu, message, old, painter, panel, pattern, presentation, reminder, school, sign, slate, space, stand, teach, text, texture, tripod, white, wood, wooden, write,