What does the jar in Wallace Stevens's "The Anecdote of the jar" most likely symbolize

The jar in Wallace Stevens's "The Anecdote of the Jar" most likely symbolizes human order and the drive to arrange things according to a pattern. It is there to say that nature cannot be controlled by humans - no matter how hard the narrator tries, he cannot fit the whole of Tennessee into the jar, the same way a man cannot dominate over nature.