A Process Variables Map, otherwise known as an Input/Output Map, is a graphical representation of the process. It is typically used as the primary tool to identify all the Xs in a process.
It is crucial to identify all the Xs using this tool, because no other tools appearing later are designed for the same purpose. If the Team misses an X now, it is not identified to be considered later.
This is a Team activity and should include representation for all the key areas affecting the process. Choose those individuals who live and breathe the process every day, not just Process Owners who might not be close enough to it to know the details.
The activity typically takes a total of a morning ...