What does the term 'logic' refer to in the context of public speaking?

In the context of public speaking, 'logic' refers to the structure of reasoning that underlies an argument. This encompasses the principles of valid reasoning and the systematic way in which ideas are organized to form a coherent argument. A well-structured argument is essential for effectively conveying the message to the audience, allowing them to follow the speaker's line of thought and leading to a compelling conclusion.

Constructing logical arguments helps a speaker establish credibility and persuade the audience by relying on clear, rational connections between ideas. This involves using claims supported by evidence and ensuring that the reasoning is sound, which enhances the overall impact of the speech. By focusing on the structure of reasoning, a speaker can articulate complex thoughts in an accessible way, making it easier for the audience to understand and engage with the material being presented.

The other options, while relevant to the broader practice of public speaking, do not define 'logic' directly. The ability to engage an audience pertains more to delivery and presentation skills, emotional appeal relates to pathos and connecting with the audience's feelings, and the use of statistics involves evidence to support an argument rather than the logical framework itself.