Ключевые слова: achievement, background, blackboard, board, business, chalk, chalkboard, changing, chart, communication, concept, concepts, conceptual, content, development, goal, handwriting, handwritten, ideas, incentive, information, innovation, inspiration, inspire, leadership, lettering, management, marketing, motivate, motivation, optimism, performance, planning, presentation, problem, problems solutions, project, prosperity, school, solution, strategy, success, symbol, target, teamwork, text, thinking, vision, word,