Answer:
Their purpose to help us answer the following questions, as well as helping us interpret and understand literary works:
1. What do we read?
2. Why do we read?
3.How do we read?
Assuming that you're referring to 'the rules of the game',
The reason why waverly's drawn to the elaborate secrets of chess is because she did not get a good overnight , and represent the relationship between her and her mother
He reviled that someone, most likely boo, had fixed them the best they could. This shows that boo might not be so bad after all. (;
