Ключевые слова: abstract, art, background, black, brainstorm, bright, bulb, business, concept, conceptual, creative, creativity, design, drawing, eco, efficient, electric, electricity, energy, environment, equipment, glass, glowing, graphic, icon, idea, illumination, illustration, image, imagination, innovation, inspiration, invention, isolated, lamp, light, lightbulb, line, object, pencil, power, science, sign, simple, solution, success, symbol, technology,