Wardley Map by Simon Wardley
Customer need is at the root of the tree. Tree delves into the capabilities required to meet the need. Calling it a tree may be a bit of a debasing of the idea since the visual is a map and the horizontal access has meaning. But vertically it is a tree.
Opportunity Solution Tree by Teresa Torres
An outcome at the root of the tree. Tree delves into the various opportunities that exist to bring that outcome to fruition.
North Star metric popularized by John Cutler
The one metric that matters is at the root of the tree. Tree delves into the KPIs that drive the metric and product initiatives that drive the KPIs
