"Axis" is a noun, and it means "an imaginary line around which a body rotates". 
        
             
        
        
        
Answer:
2) To identify precise meanings.
Explanation:
A nuance is a small difference in meaning.
 
        
             
        
        
        
The passage describes setting to him
 
        
             
        
        
        
Simple because we understand it the most