Had to look for the missing details and here is my answer.
There is an excerpt attached to this which was taken from "Hamlet" and in this excerpt, the implicit and the explicit information can give as the inference that tableware was rare during the period of Elizabethan as it is today. Hope this helps.
a)He believes it is stealthy and all-encompassing.
He describes the fog as being everywhere when he says its on the window-panes, in the drain pools, and "into the corners of the evening". All-encompassing means that it is everywhere, surrounding everything. The way the speaker leaves out any mention of sound or noise makes it seem as though this fog moves quietly. The description of the fog going to the window-panes, the corners, and the pools gives it a quick stealthy feel.
The setting of a story help the reader better understand the character's personality by showing and giving details of what the character does in the setting.
They needed to "draw level" with the others.