Ключевые слова: abstract, abugida, alphabet, art, backdrop, background, banner, base, black, blackboard, board, chalk, chalkboard, class, classroom, communication, concept, consonant, education, english, eraser, idea, learn, lesson, letter, pedestal, school, sign, sketch, student, symbols, teacher, text, thaan, thai, thailand, than, tho, thor, translation, university, wipe, word, words, write, writing,