Ключевые слова: answer, ask, asked, black, blackboard, board, bubble, chalk, chalkboard, draw, drawing, drawn, education, faq, frequent, frequently, hand, handwritten, help, icon, illustration, info, information, knowledge, letter, lettering, mark, message, problem, query, question, questioning, questions, school, search, shape, sign, speak, speech, support, symbol, talk, text, think, white, why, word, write, writing,