In the short story "The Chrysanthemums," by John Steinbeck the author uses symbolism to reflect the characteristics of his main character.The symbol is the chrysanthemums that Elisa invests so much time and effort into.
The author uses Henry's interactions with other characters to provide the reader with clues about Henry's character.
The topic of the discussion is the general idea that it is focused around.
The audience is who it is aimed at, think about gender, age, race and social class. You can normally determine this by the topic and the language used.
The purpose is the reason for the discussion, is it to inform, persuade or advise.
Level of formality is basically how relaxed or polite it is, very formal would be something like a business proposal and very informal is like just talking to your best mate.
Because it helps you to get from point a to point b and you don't need to waste money everyday on an uber or taxi when you have a car and can go where ever you want