Understanding rhetorical elements when analyzing speeches is important primarily to appreciate and analyze speeches more critically.
Rhetorical elements, such as ethos (credibility), pathos (emotional appeal), and logos (logical reasoning), help audiences unpack how a speaker constructs their arguments and engages with their audience. This knowledge enhances our ability to evaluate the effectiveness of the speech and the strategies used by the speaker to persuade or inform.
While understanding these elements can also inform your critiques of a speaker, the primary goal is to foster a deeper comprehension of the speech itself, its context, and its impact on the audience. Memorizing the speech is less relevant to this analytical process.