The correct answer is "theme".
The theme is an underlying idea that is broader than the plot as it doesn't encompass details from the plot, and is way more general. A theme can be explored in various works of art.
Bulleted and numbered lists help readers to comprehend the document easily and break the document into some parts that will guide the reader. But most importantly the method is so handy in technical documents where you understand how do the work step by step. The correct answer is A.
answer: It provides closure by describing the narrator's confidence in completing the task he has been preparing for.
Then more people will be happy