Ключевые слова: achievement, activity, analysis, arm, backgrounds, blackboard, business, chalk, classroom, closeup, coaching, concepts, creativity, drawing, dreamwork, education, equipment, expertise, goal, green, hand, handwriting, holding, human, learning, makes, motivational, perfomance, plan, school, sign, sketch, strategic, strategy, studying, success, symbol, team, teamwork, text, university, work, writing,