Ключевые слова: abc, alphabet, background, basis, beginning, black, blackboard, board, chalk, chalkboard, childhood, class, classroom, college, color, concept, educate, education, educational, elementary, font, green, handwriting, knowledge, language, learn, lesson, letter, little, message, multicolor, playschool, preschool, primary, reading, red, school, sign, student, study, symbol, teacher, teaching, text, title, type, university, white, word, write, yellow,