Answer:
a short statement, usually one sentence, that summarizes the main point or claim of an essay, research paper, etc., and is developed, supported, and explained in the text by means of examples and evidence.
Step-by-step explanation:
A thesis is the central claim or main argument of an essay. Because it provides a unifying theme for the rest of the essay, it typically appears early on—in shorter papers, most often within the first paragraph or two. The thesis should be analytic or interpretive rather than merely descriptive or factual.