Answer:
an essay that explains a topic
Explanation:
The structure of the expository essay is held together by the following. A clear, concise, and defined thesis statement that occurs in the first paragraph of the essay. Clear and logical transitions between the introduction, body, and conclusion. Body paragraphs that include topic sentences and evidential support (whether factual, logical, statistical, or anecdotal). A conclusion that restate the thesis in an interesting way and/or readdresses it in light of the evidence provided.