Ключевые слова: abstract, art, background, blue, brain, bright, bulb, children, concept, conceptual, creative, design, doodle, drawing, educaion, education, efficient, energy, freedom, graphic, health, human, icon, idea, illustration, innovation, inspiration, invention, leave, light, lightbulb, medical, mind, minimal, minimalism, open, organ, outline, power, rain, red, shine, sign, simple, symbol, thinking, wisdom, wise,