Ключевые слова: advertising, background, billboard, black, blackboard, blank, board, brown, business, chalk, chalkboard, classroom, clipboard, cowboy, decoration, decorative, design, drawing, education, empty, farm, fashion, frame, gold, grass, hat, isolated, lesson, made, message, natural, old, ready, retro, rustic, school, space, straw, surface, teach, texture, traditional, vertical, vintage, wear, white, wood, wooden, write, yellow,