Assuming that your question refers to the poem I Hear America Singing by Walt Whitman, 1819-1892, in which the word singing is repeated, this influences the overall meaning by giving it rythm, making it gentle and beautiful,depicting the beautiness of a normal avergae day for most people in which they spontaneausly sing while their are working and doing their daily activities.
Answer:
Hyperbole
Explanation: Hyperbole is when someone is exaggerating something. Ex. I told you to clean your room a million times!
It's saying he slept the entire weekend when he really didn't he just slept a lot.
Answer is C because using specific description allows people to create imagery.
A response within 24 hours of receipt
Indicate repetition of an idea.