While there are many variegated types of essays, an expository essay is perhaps one of the most systematic. These essays require students to explore an idea, evaluate the evidence, elaborate on the main idea, and state their treatise round the idea in a coherent manner. In short, the main focus is to explain the facts. Expository Essay writing is thus to explore the concepts and evidences too. Expository Essay writing is to mainly touch the facts both personal as well as general.