Ключевые слова: achievement, background, black, blackboard, board, bulb, business, chalk, chalkboard, chart, communication, concept, conceptual, creative, creativity, design, develop, development, diagram, education, goal, graph, handwriting, idea, ideas, innovation, inspiration, inspire, leadership, management, marketing, megaphone, motivation, performance, plan, project, promotion, solution, strategy, success, successful, symbol, team work, text, think, view, white, word, work, write,