Ключевые слова: abc, alphabet, back, book, child, college, concept, definition, dictionary, document, ebook, educate, education, educational, elementary, graduation, icon, info, information, juvenile, kid, knowledge, language, learn, macro, note, notebook, notepad, notice, nursery, page, paper, pen, preschool, read, school, schoolwork, sign, signature, student, study, symbol, teach, teacher, text, textbook, university, welcome, word, write,