This is an example of a thesis statement because the speaker is introducing the topic of his/her thesis, in other words, the person is going to talk about the investigation that has been made about the history, the equipment, and the health benefits of racquetball to inform others. By giving this statement, the speaker is guiding the audience in the different steps of the thesis.
A blueprint statement is a list of topics you plan to cover whenever you're writing or speaking as the case may be. The purpose of a blueprint statement is to guide your audience. It helps them to follow through your writing, it gives you a guide to follow in your writing and it prepared your reader or audience for what they are about to consume
