Which sentence indicates the main idea of this diary entry

What role must the audience play in the creation of an argument? how do bubbles(communities) complicate audience? should audiences be smarter? if yes, how do you make people smarter?

1. in the bold portion of the narrative, the author tries to use a flashback to develop tension. however, the flashback does not create tension. rewrite the flashback scene so it develops tension right at the beginning of the story. (15 points)

What is the meaning of 'aesthetic'?