A. Why you are reading. You need to know why you're reading, so you can understand it better. 
        
             
        
        
        
D
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Rhetoric is a strong part of english. Especially connotations of words - often at home, my mother hates the word;
When applied in the correct context, okay can mean whatever you say. It isn't a strong word for acknowledgement or conviction the way the word 'yes' is. 
        
                    
             
        
        
        
Answer:
f. Root words,a. other names, d. origins