According to your textbook, there are two types of purposes: a general purpose and a specific purpose.
The general purpose is one of three options:
For more information about general purposes and a chance to check what you have learned:
The specific purpose requires two steps:
More explanation on the topic of specific purposes: http://www.wisc-online.com/objects/ViewObject.aspx?ID=SPH3001
Three guidelines for preparing your specific purpose:
Having a specific purpose will help keep you on track while preparing your speech.