Rhetoric is: "the ability, in each particular case, to see the available means of persuasion." He described three main forms of rhetoric: Ethos, Logos, and Pathos. In order to be a more effective writer and speaker, you must understand these three terms.
Even tho you didn't post the example I think it's this ^ because I've helped my brother with something similar like this but if it isn't just tell me and I'll be willing to help you if you need it.
