What is a statement that summarizes the ideas a speaker wants the audience to agree with?

A proposition is a statement that clearly expresses the ideas a speaker wishes the audience to embrace or agree with. It serves as the central assertion or stance of a speech, guiding the entire presentation and influencing the audience's understanding and response. By articulating a proposition, the speaker provides a framework for organizing their arguments, evidence, and reasoning around a specific point, ensuring that the audience grasp the desired message and perspective.

In contrast, a thesis typically refers to the overall central idea or main point of a written work, like an essay, rather than a speech. A conclusion usually denotes the closing part of a discourse, where the key points are recapitulated, but it doesn't serve the purpose of asserting a position for agreement. A claim can indicate an assertion made by the speaker, but it may not necessarily encapsulate the overarching objective of persuading the audience to agree with a specific viewpoint. Thus, the term proposition is most fitting for the context of convincing an audience of a particular belief or stance.