Answer:
I personally think that it represents that there is a consequence or a bad action, and if this consequence is brought up, it could bring bad times for you and others. 
A.K.A. There are bad consequences for bad actions
 
        
             
        
        
        
Body gestures, such as sign language and facial expressions
        
             
        
        
        
Answer:
Authors choose a genre based on their purpose. Fiction works well for teaching a lesson, as in fables. However, presenting facts and opinions in nonfiction might be a better way to present information. When authors begin to write, they think about what they want the reader to understand or experience. While fiction may be the best genre for storytelling, nonfiction may be the most clear for sharing facts, so both genres have merits.