It provides background information on the topic.
and It gives the main topic of the paper.
Answer:
the revelation of an identity or fact, especially one that is concealed or likely to arouse disapproval.
Explanation:
A subject in grammar is the first part in a sentence about which the second part, the predicate, tells something.
Answer: It was an idyllic day - sunny, warm, and perfect for a walk in the park.
She hums continuously, or all the time, and it annoys me.
The crime he committed was egregious; he’ll never recover from this horrendous scandal.
His animosity, or hatred, of his sister divided the family.
Bill felt remorse, or shame, for his harsh words.
This situation is a conundrum, a puzzle that’s difficult to solve.
Explanation:
The words meaning will usually be right by the word such as Remorse means shame, hope this helps.
