Help!!!! English question.?

I have no clue what it is asking me to do!!!!

Read the following excerpt, then write an essay that analyzes the author's use of tone, diction, setting, and figurative language to create an overall effect upon the reader.

"Come, let us go."

"Whither?"

"To your vaults."

"My friend, no; I will not impose upon your good nature. I perceive you have an engagement.

Luchresi —"

"I have no engagement; —come."

"My friend, no. It is not the engagement, but the severe cold with which I perceive you are afflicted. The vaults are insufferably damp. They are encrusted with nitre."

"Let us go, nevertheless. The cold is merely nothing. Amontillado! You have been imposed upon. And as for Luchresi, he cannot distinguish Sherry from Amontillado."

Thus speaking, Fortunato possessed himself of my arm; and putting on a mask of black silk and drawing a roquelaire closely about my person, I suffered him to hurry me to my palazzo.

There were no attendants at home; they had absconded to make merry in honour of the time. I had told them that I should not return until the morning, and had given them explicit orders not to stir from the house. These orders were sufficient, I well knew, to insure their immediate disappearance, one and all, as soon as my back was turned.

I took from their sconces two flambeaux, and giving one to Fortunato, bowed him through several suites of rooms to the archway that led into the vaults. I passed down a long and winding staircase, requesting him to be cautious as he followed. We came at length to the foot of the descent, and stood together upon the damp ground of the catacombs of the Montresors.

The gait of my friend was unsteady, and the bells upon his cap jingled as he strode.

"The pipe," he said.

"It is farther on," said I; "but observe the white web-work which gleams from these cavern walls."

He turned towards me, and looked into my eves with two filmy orbs that distilled the rheum of intoxication.

"Nitre?" he asked, at length.

"Nitre," I replied. "How long have you had that cough?"

"Ugh! ugh! ugh! —ugh! ugh! ugh! —ugh! ugh! ugh! —ugh! ugh! ugh! —ugh! ugh! ugh!" My poor friend found it impossible to reply for many minutes.

"It is nothing," he said, at last.

"Come," I said, with decision, "we will go back; your health is precious. You are rich, respected, admired, beloved; you are happy, as once I was. You are a man to be missed. For me it is no matter. We will go back; you will be ill, and I cannot be responsible. Besides, there is Luchresi —"

"Enough," he said; "the cough's a mere nothing; it will not kill me. I shall not die of a cough."

"True — true," I replied; "and, indeed, I had no intention of alarming you unnecessarily — but you should use all proper caution. A draught of this Medoc will defend us from the damps."

Here I knocked off the neck of a bottle which I drew from a long row of its fellows that lay upon the mould.

"Drink," I said, presenting him the wine.

He raised it to his lips with a leer. He paused and nodded to me familiarly, while his bells jingled.

"I drink," he said, "to the buried that repose around us."

"And I to your long life."

He again took my arm, and we proceeded.

"These vaults," he said, "are extensive."

"The Montresors," I replied, "were a great and numerous family."

"I forget your arms."

"A huge human foot d'or, in a field azure; the foot crushes a serpent rampant whose fangs are imbedded in the heel."