Appositive is defined as a noun, a noun phrase, or a noun clause which sits next to another noun to rename it or to describe it in another way. The sentence can still be completed without an appositive but adding it can present more information about the subject.
Answer:
Truth
Explanation:
There is a whole long list
Basically the four kinds of info that a writer must document are:
Direct quotations
Summary of a discussion
Information
Writer constructs a diagram from data provided by others
These four are essential for a writer to document. Hope this can help a lot
