To inform my audience about the symptoms, causes, and treatment of hodgkin's disease" is an example of a

The example that is being described above is a specific purpose. It is because a specific purpose is a way of interacting to the audience, giving a clear and understandable information that will develop the general purpose of the subject. It is a way of having to tell the audience your main goal or the important content or purpose of the topic that the speaker is talking about.