Ключевые слова: abstract, achievement, analysis, arrow, backdrop, background, black, blackboard, board, business, chalk, chalkboard, colorful, colors, communication, concept, connected, connection, connectivity, cooperation, copy space, creative, creativity, development, drawing, education, geometric, goal, growth, hand, handwriting, increase, information, investment, line, management, marketing, nobody, performance, progress, school, strategy, study, success, successful, text, up, word, work, writing,