In expository essays, detailed information and facts are provided for the reader’s complete understanding and awareness. In an expository essay, the information is presented in a complete manner without leaving out anything. However, in case of business communication, sometimes the extra and irrelevant details are left out so that time can be saved and a decision can be made more conveniently. Both the essay and the business communication have to be completely neutral so that there is no element of Bias. While writing and expository essay and doing business communication, the writer has to keep some factors in view which are the purpose of writing, the audience, the content to be included and the tone in which to write.