Ключевые слова: achievement, background, blackboard, business, chalkboard, challenge, change, concept, conceptual, connect, connection, different, direction, fail, failure, focus, goal, hand, idea, inspiration, jigsaw, looking, magnifier, magnify, magnifying, management, message, metaphor, missing, motivation, opportunity, optical, paper, performance, positive, problem, project, puzzle, search, solution, strategy, success, text, together, tool, transparent, way, white, word, work,