I believe the answer is: semantic encoding
Semantic encoding refers to putting the core meaning of a certain words, phrase ,or picture in our memory rather than only putting the sound or how those things look like. The experiment concludes that memories that acquired through semantic encoding would stay much longer compared to normal method.
Would you please be able to provide a picture of the painting? It is very hard to help without it.
Multiple people is the meaning of persona.
<span>Cairo, Beirut, Damascus</span>