Ключевые слова: advert, advertisement, advertising, announcement, art, billboard, black, blackboard, cafe, canvas, chalk, chalkboard, class, classroom, communication, concept, copy space, creativity, design, design elements, dirty, display, drawing, dust, education, element, erased, frame, green board, grunge, grungy, handwriting, horizontal, ideas, menu, message, note, pattern, plan, rough, rubbed, school, scratch, space, study, surface, teach, text, texture,