Essay structure typically consists of three main parts: the introduction, the body, and the conclusion. The introduction presents the main topic and includes a thesis statement, which outlines the essay's purpose. This section sets the stage for the reader by providing background information and context. The body of the essay contains several paragraphs that support the thesis statement with evidence, examples, and analysis. Each paragraph should focus on a single idea and include a topic sentence. Finally, the conclusion summarizes the main points and restates the thesis, providing closure to the essay and reinforcing its significance.