What are the literary devices used in "Richard Cory"?

A few of the word
choices Robinson makes in the first stanza work, metaphorically, to compareto a king. The
speaker says that Cory is a "gentleman from sole to crown" (line 3) and that he is
"imperially slim" (4). Although the word crown can refer to the
top of the head, which makes sense in this context, it can also refer to the object a king wears
on his head. This might not be significant on its own, but when we see the word
imperially on the next linea word that refers to an attitude that befits or
is suggestive of an emperorthe choice of crown , with its two meanings,
seems intentional. (The speaker even calls Cory "richer than a king" in line 9.)
Connecting these word choices, we gather that Richard Cory is being compared to someone of royal
status, in the first stanza,...