Which gets defined earlier,the exact purpose statement or the thesis statement? Define each and explain how they are different.​

The exact purpose statement is a part of topic generation process,and so it comes earlier in the speech building process than the thesis,which gets defined during the organizing phase of a speech.The exact purpose statement is a single declarative sentence that clarifies your topic and usually begins with a statement such as "After hearing my presentation,the audience will..." A thesis statement is more defined,as it occurs during the organization stage of the research and has two parts: a general statement of purpose and preview of the main points to be covered.​