What does the ¶ proofreading symbol mean? a insert a period b delete a word or letter c insert a coma d begin a new paragraph

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

The owners reputations are in jeopardy.

What point is the author most likely making with the example september 11