Final answer:
The author's intended purpose for this essay is to explore and analyze the different formats of advertisements and how they are used to persuade audiences.
Step-by-step explanation:
The author's intended purpose for this essay is to explore and analyze the different formats of advertisements. The thesis statement indicates that the essay will categorize advertisements into four types: association ads, demonstrative ads, storytelling ads, and endorsement ads. Each body paragraph will explain and provide examples of one of these types of ads. The aim of the essay is to help readers understand the different formats of advertisements and how they are used to persuade audiences.