WRITING A DESCRIPTIVE ESSAY. The aim of description is to make sensory details vividly present to the reader. Although it may be only in school that you are asked to write a specifically descriptive essay, description is an important element in many kinds of writing. Description embedded in an argument paper, for example, may be intended to make a position more persuasive. However, in this TIP Sheet we will discuss the descriptive essay as it is commonly assigned by instructors as an exercise in organizing sensory information and choosing vivid details. Sensory details are details of smell, taste, texture, and sound as well as sight.