What is the purpose of a descriptive essay?

To describe something on a fancy or realistic way. The purpose is to provide detailed description of any subject in order to inform to the reader, things he doesn't know or haven't seen directly.

Descriptive essay is about describing a place, object, person, experience, emotions, happenings or situations etc. When doing this, you are expanding your imaginations beyond words. Using detailed descriptions of a certain thing or subject can make the reader become more interested. You make it easier for the reader to apprehend the content. As a reader, one could easily imagine the scenario or the object being described. It creates a great impact on the reader and would surely have great interest on your work.