As I don't know the 'Livye Lewis story', I can't say exactly who this Livye Lewis is. It could be an ordinary person with an interesting personal story, or perhaps someone who is known within a certain group.
Charlotte got AIDS in the movie Charlotte's Worry because she accidentally drank the liquid from the toilet plug and passed it on to Ma Dongmei and other girls in the school. She was eventually diagnosed with AIDS. This information came from the second document in the search results.
One of the main features is the detailed world-building. It creates a vivid setting that adds depth to the story. Also, the relationship dynamics between the characters are quite interesting and drive the narrative forward.
It enriches our understanding. Fiction can fill in the gaps of what we don't know for sure. For example, we can't be entirely certain of the personal thoughts and feelings of Lewis and Clark during every moment of their journey. Fiction allows authors to make educated guesses and present those in a story form.