What is the passage?
lol, Parentheses are generally used as an explanation or afterthought into a passage that is grammatically already complete without the stuff in the parentheses. In writing it is u usually marked with curved brackets.
Example: He finally answered (after taking five minutes to think) that he did not understand the question.
I hope that this helps....
It is definately an adjective
<u><em>A directional Essay Is used to Teach.</em></u>
<u><em>An informational essay explains and defines something.</em></u>
<u><em> </em></u>