Explanatory text: an explanation-oriented style that introduces the state and situation of things, clarifies things, and explains the laws of their movement, change and development. The purpose of expository writing is to tell the reader something or something.
Essay: mainly through facts and artistic images to express ideological content, less discussion, more narrative, description or lyrical elements. It gives people an enlightening smile with humorous way, comedy plot and lively and relaxed language, which makes people see the essence of the problem after laughing and make people think deeply. It is also a kind of prose.
Essay: It is also a kind of prose. The space is short and flexible. Use many Chinese expressions to expose a social phenomenon or something. Let's take a look at Lu Xun's article.