Pathos came from the Greek word which means suffering. So this means it is a rhetorical device that appeals to the emotion of the audience and elicit feelings that are already inside of them. It could be through the use of metaphor or with the way it is delivered. 
        
             
        
        
        
Answer: Personafication 
Explanation: Personafication means referring to or giving non living things the qualities of human or living things. "Heart of darkness they were discoloured", the heart is part of the human body but in this context it is given the human attribute where "they" pronoun is referred to the heart. Also "backbone is seen running down the middle of his back", backbone is just part of the human body but in this context it it made to run down like it ia literally running down onea back.
 
        
             
        
        
        
The main themes of the story of an hour are female self discovery and and also the repressive nature of marriage . The fear shows her lack of confidence that whether she could be able to hold the freedom for which she was longed.