Facts and details that the author writes clearly in the text or called what

This device blocks an opening along the base/floor of stairs or other walking or working surfaces where materials or body parts might otherwise inadvertently fall through. it should be 4 inches high, with not more than ¼ inch clearance above the floor

Which kind of narrator knows the thoughts and see all of the charters in the story

Which best describes the tone in these lines "the fish"