n this excerpt from an article titled "Breaking Down an Image," the writer explains the value in understanding how images convey meaning and persuade viewers/readers. "'Purpose' refers to the overall goal for creating an image. With advertisements, that goal is fairly easy to understand. Advertisements are almost always made to sell items. In our example image, the purpose is to sell the Pro Trek watch." From which type of informative essay has this excerpt been taken? How do you know? Definition, because the writer asserts that the purpose of the advertisement is to sell watches Analysis, because the writer analyzes an advertisement by examining the individual elements of the rhetorical situation, including purpose Definition, because the writer defines "purpose" as it relates to the rhetorical situation Analysis, because the writer tries to persuade readers that Pro Trek watches are the best watches on the market