People uses things for different purpose. The most likely trying to do is to Draw attention to her subject.
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What does it mean to draw attention to something?
This is simply known as when a person capture the mind or view of another (arouse their curiosity) so that they can notice what you are doing or trying to portray.
By Drawing their attention to her subject, Jennifer can make them to focus on the message she is trying to pass.
Two factors of a chapter that makes it hard to read is hard vocab usage and complex plots. I use the strategies of taking the time to search the vocab definition and I take the time to understand and digest the plot.