The bill of rights is the first 10 amendments to the Constitution.
It is an example of a Simile.
It compares one thing to another using "as", which is what a simile does.
Answer: Do you mean Morpheme? If so, here's the title of a video that can explain it better than I can.
Explanation:
What is a morpheme by Language at UWE
Honestly i think it is expository because it does explain and go into detail while answering a question well that is what the word means.