Ключевые слова: background, brain, bright, bulb, business, communication, concept, creative, creativity, design, development, education, energy, hand, human, icon, idea, illustration, imagination, information, innovation, inspiration, intelligence, internet, invention, isolated, knowledge, lamp, learn, light, lightbulb, mind, motivation, power, school, science, sign, smart, solution, student, study, success, symbol, technology, think, training,