These are the videos I have made — and a few a specialist made in public — cut to each triangle. The overview is 40 minutes. The original shorts from 2015 are still the cleanest definitions. The workshop is two hours if you want the whole map in one sitting.
The whole system
By triangle
CCS — Content, Checklists, Software
DDD — Do, Delegate, Delete
CID — Communicate, Iterate, Delegate
LDT — Learn, Do, Teach
MAA — Metrics, Analysis, Action
MOF — Marketing, Operations, Finance
The original playlist is on YouTube: The 9 Triangles.