Ключевые слова: anatomy, biology, black background, blackboard, brain, brainstorming, business, businessman, concentration, concepts, contemplation, creativity, dark, design, education, expertise, hand, healthcare and medicine, holding, human brain, human hand, human head, human internal organ, human nervous system, ideas, illustration, imagination, innovation, inspiration, intelligence, inventor, learning, medicine, men, mental health, motivation, occupation, one person, part of, pointing, research, science, skill, solution, strategy, success, technology, wisdom, working,