Ключевые слова: anatomy, arrows, asterisk, atom, avatar, battery, biology, block, brainstorm, brian, bubble, cerebral, check, clock, clouds, creative, creativity, education, gear, genius, halo, head, health, heart, human, icon, idea, inspiration, intellect, intelligence, light bulb, low, mark, medical, medicine, mental, mind, musit, neurology, note, psychology, science, set, style, system, target, think, yang, yin,