What is a common literary symbol one might find in a story? AND What is a underlying meaning of this symbol?

Write a line imitating the meter of the example (anapestic tetrameter.) and the beard/ on his chin/ was as white/ as the snow

Explain the effect of the rhetorical questins for the below paragraph."i pinched myself: was i still alive? was i awake? how was it possible that men, women, and children were beiing burned and that the world kept silent? no. all this could not be real. a nightmare soon i would wake up with a start, my heart pounding, and find that i waas back in the room of my childhood, with my "

How did the older men calm the younger ones down when they learned from some of the prisoners where they were? (chapter 3 of the book night)