How does art historical terminology shape our views of objects?

Why did david smith burnish the surface of his work cubi xix?

Niccolò paganini, the italian violinist, played with great speed and brilliance. he is considered a/an a. amateur. b. conductor. c. patron. d. virtuoso.

What is the meaning of the following quote? "paintings and poems are moments, capturing or seducing us, when we are so vulnerable" i am trying to figure out what it means but i am having a hard time understanding the meaning of that quote. me.