Ключевые слова: advertisement, alphabet, art, back, backgrounds, black, blackboard, blank, chalk, chalkboard, classroom, communication, concepts, copy, creativity, damaged, design, dirty, distressed, drawing, dust, education, effect, empty, frame, front, handwriting, horizontal, ideas, image, industry, learning, message, old, painted, pattern, people, photography, plan, rough, school, scratched, space, surface, textured, view, vignette, wall, wallpaper, writing,