The dictionary definition of ordinary is: with no special or distinctive features; normal. This meaning of "ordinary" is which literary device?

a
Connotation
b
Motif
c
Denotation
d
Symbol

Explanation:

In literature, any technique used to help the author achieve his or her purpose is called a literary device.

to show how the cables work.

i believe the answer is: b. mr. head had a long, tube-like face with a rounded open jaw and a short depressed nose.

this is because in the un-revised sentence it said that mr. heads face was long and tube-like, and he had a rounded open jaw. this is not a very grammatically correct because of how it seems to drag on with the and, replaced with, with, makes it sound more fluent in the description.