Rhetoric is useful, because it helps you understand who your audience is being able to keep your audience engaged with whatever you are writing about. Thinking about rhetoric there are some terms that you should become familiar with, it will be able to help you write your papers. Pathos, ethos, logos and kairos are the term to help you better understand them. If your writing a paper about an advertisement you will be able to get a better understanding of the terms, because ads show all of the terms. Pathos has to deal with different emotional appeal in writing or speaking. Logos is appealing to logic and reasoning. Ethos is the credibility of the writer of the speaker on whatever subject is being talked about. Kairos is something that most people struggle with kairos means timeliness, when people think about timeliness they mostly are thinking about the due date or what day the article was written.