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A speech structure is simple, composed of just three general parts: an introduction, a body, and a conclusion. The introduction establishes the purpose of the speech and shows its relevance to the audience. The body of the speech presents main points that are intended to fulfill the speech purpose. Main points are developed with supporting material to fulfill this purpose. The conclusion brings closure to the speech by restating the purpose, summarizing main points, and reiterating why the thesis is relevant to the audience. In essence, the introduction of a speech tells listeners where they are going, the body takes them there, and the conclusion lets them know they have arrived.
Chapter 15 focuses on how to create effective introductions and conclusions. In this chapter, we explore the body of the speech. It consists of three elements: main points, supporting points, and transitions.