Ключевые слова: art, back, background, black, blackboard, board, boy, brick, cartoon, chalk, chalkboard, child, childhood, class, classroom, college, comic, communication, concept, design, drawing, education, elementary, face, frame, green, illustration, information, isolated, kid, learn, message, school, sign, space, square, study, teach, text, texture, university, wall, white, wood, wooden, write, youth,