This is a record of my learning prior to January 2022.
https://docs.google.com/drawings/d/e/2PACX-1vSx81eKwZbdj2_F12P1Y4vUjE998b9dWn94FcwL49AwyWvwwZY9l198EQsHIr0R__zRT3kmINGeMjRn/pub?w=769&h=527