in the words of Aristotle, in the Rhetoric, rhetoric is "...the faculty of observing in any given case the available means of persuasion". According to Aristotle, this art of persuasion could be used in public settings in three different ways.
The climax of To Kill a Mockingbird is when Tom Robinson is found guilty. The falling action of To Kill a Mockingbird is when Jem struggles with the judgement. Bob Ewell spits on Atticus. Jem and Atticus discuss trial process.
D) A central idea is often stated directly, while a theme is usually only suggested.