Ключевые слова: arabic, background, blackboard, board, book, business, chalk, chalkboard, colors, communication, concept, different, discussion, education, english, foreign, french, german, grammar, greeting, hello, international, italian, japanese, knowledge, language, learn, learning, lesson, many, memory, modern, multilingual, reading, speak, speech, student, study, talking, teacher, text, translation, travel, university, various, woman, word, world, write,