Speech Communication peech communication is an important device for rhetoric. It includes all rhetoric that is spoken. This could be a speech by Bill Clinton, a television commercial for Toyota, or a simple argument with a friend. An analysis of speech communication looks at how it fits in with the five canons, the pisteis , and how and who uses it. Canons Speech communication is similar to other forms of rhetoric because it uses the five canons to effectively get a point across to an audience.
Invention is key to speech.
This is especially true if the speech is improvised or invented on the spot. Arrangement is important to speech communication, but not especially different from other modes of rhetoric. However another canon, style , is essential to the effectiveness of a speech. Style uses pathos to help persuade the audience. The tone of voice, the level of language, the body language used, and even jokes that are added all effect the strength of the speech.