Connotative meaning is the emotion expressed from hearing a certain word, so based on other people’s experiences, beliefs, etc. a word may carry a different connotation to then in opposition to others.
Ex- ‘dog’ may carry the positive connotation for “adorable” to some people, while for others it carries the negative connotation of “vicious” because the person was bit by a dog in the past
He would benefit from seeing a live performance because he could then see experienced actors play out the emotions, therefore giving him a more in-depth look on the feelings. This would make his essay much more fleshed out and analytical.