The document discusses key elements of writing essays, including:
1. The three main parts of an essay are the introduction paragraph, body paragraphs, and conclusion paragraph.
2. The topic of an essay is what the essay is about, often the assignment given by the teacher.
3. The thesis statement is the main idea of the essay located in the introductory paragraph.
4. There are two types of historical essays - free-response essays which require recalling information and document-based essays which require analyzing documents.