What is the purpose of a pentad?
a it you elaborate upon your slogan.
b it you identify descriptive words for your subject.
c it you generate topics and identify services.
d it you determine your audience.

D. It helps you determine your audience

Pentad that was developed by Burked was known to help determine the audience by focusing on five elements such as the act, the scene, the agent, the agency or method, and the purpose. This information shall give you an idea on the type of audience you have thus make certain steps to gain their attention or further persuade them.