What is the difference between count noun and concrete noun?

What is the main theme reflected in this excerpt from "ulysses" by alfred, lord tennyson?

What does bittman’s style and language tell you about him?

How does thoreau defend his approach in the second paragraph of "economy" inwalden? -he uses the word "t" because he feels it sounds more interesting-he does not use first-person point of view because his is a fictional account-he uses first-person point of view to get his readers' attention-he uses the word "t" for the sake of sincerity and honesty.