The significance of this title tells about Buck's experience with the man in the red sweater. Buck is firmly beaten and humiliated by the man, but learned a valuable lesson. He learned that might makes right in this strange new area. That rule becomes a law to Buck. He calls it the "primitive law," and throughout the book Buck learns how that rule affects him, other dogs, and his owners.
Wait what subject is it and ist a readying
"A novel is a long prose narrative" would be correct.