Ключевые слова: answer, ask, background, backgrounds, black, blackboard, blank, board, business, chalk, chalkboard, choice, classroom, communication, computer, concept, conceptual, confusion, creativity, drawing, drawn, education, faq, hand, handwriting, help, icon, idea, ideas, imagination, information, inspiration, isolated, learning, mark, message, paint, problem, punctuation, query, question, questions, school, sign, symbol, texture, uncertainty, white, wood, writing,