What Is a Chiasm?

In the ancient world they didn't use these enumerated verses and the enumerated chapters I think what they used were structural correspondences. One of the reasons that we have a beamalak saying the same thing to Abraham that Pharaoh said to Abraham is because Moses is highlighting for us some of these structural correspondences in Genesis 11 through 22. We need some kind of like you know music play over chiasm time this will be in the show notes listening the show notes listens the show notes listen the show notes amen Jim it's my understanding that you believe Genesis 11 through22 to be structured as a chiasm, so let me start by explaining what a chiasm is and then how these chapters