Answer:
The statement "A thesis statement communicates what the report sets out to prove" best describes the purpose of a thesis statement.
Thus, Option 2 is the correct answer.
Step-by-step explanation:
A thesis statement is a concise and clear passage or sentence that provides the main point or argument of a research paper or essay.
It tells the reader about the focus and direction of the paper, as well as the writer's position on the topic. It presents the writer's main idea and sets the tone and structure for the rest of the work.