Ключевые слова: 1, art, autumn, background, beautiful, black, blackboard, blank, board, calligraphy, chalk, chalkboard, characters, class, classroom, concept, copyspace, desk, drawing, education, educational, element, elementary, first, green, handwriting, learning, lesson, letters, mark, message, nobody, numbers, orthography, primary, russia, russian, school, season, september, sign, simple, study, surface, symbol, text, texture, white, words, writing,