Is there a specific term for when someone has an epiphany or flash of insight about analogy from one topic to another. Those are very useful. Morphism? For example, Alexander Graham Bell was contemplatively watching the water flow on a creek on his father-in-law's farm when the wind blew leaves on top of the water. His dilemma was moving beyond telegraphy, so it showed him the key was to but a wave on a current. Voila, the telephone.