Ключевые слова: back to school, background, basic, billboard, black, blackboard, board, bright, chalk, chalk drawing, chalkboard, childhood, class, classroom, color, communication, copy space, crayon, design, drawn, education, empty, green, knowledge, learning, lesson, message, pencil, school, sketch, stationery, stick, supplies, support, surface, teach, technologies, text, texture, textured, toned, vintage, year,