This, I believe, essay. I believe tomorrow will be better. I believe humanity should achieve. I think we only have one. I believe that music makes the world. I believe the structure of your expository essay will vary depending on the scope of your assignment and the requirements of your topic. It is worth planning your structure before you begin, using an essay outline. A common structure for a short expository essay consists of five paragraphs: an introduction, three body paragraphs, and a conclusion. Here is a list of descriptive essay topic ideas for students. The person who is responsible for making a difference in my life. Describe a smartphone and its benefits to someone from the 60s. The most interesting work of art I have ever seen. Describe the experience of falling in love.