Process analysis identifies and explains what steps must be taken to complete an operation or procedure. There are two kinds of process analysis essays: directional and informative.
A directional process tells the reader how to do or make something; in other words, it gives directions. You are more familiar with directional process than you might think; when you open a telephone book, for example, you see the pages in the front explaining how to make a long-distance call. As this approach is not that common in academic writing, this will not be further elaborated.
An informative process tells the reader how something is or was made or done, or how something works. Informative process differs from directional process in that it is not designed primarily to tell people how to do it; instead, it may describe the steps the author followed in setting up an experiment for instance. This is quite common in "methodology" sections of academic essays.
Of all the expository essays, the process paper is the easiest to organize, mainly because it is presented in simple, chronological steps. To prepare a well-written process chapter or essay, however, you should remember the following advice: