Answer:
Symbolism is the use of symbols to represent ideas or qualities.
Explanation:
that is the google definition you might want to change it up a bit.
Answer: It creates an informal and familiar tone.
Explanation: I just took the test and got "It creates an informal and familiar tone."
Answer: To give a title
Explanation:
Inform reader what they will be reading
My first guess would be that it is an independent clause. This is just a single statement.