The SCOR Source processes are broken into 3 distinctly different types based on the fulfillment and inventory tactics being applied by the supplier:

As we drive down into each of these Sourcing Processes it is useful to understand that SCOR defines the Features, Best Practices and Process Flows for each of these sourcing processes (SCOR Level 2 process flows complete with typical process step inputs and outputs).  

For example, the basic level 2 steps for sourcing Make-to-Order components are as follows: