Definition
A person, organisation or process that provides materials, information, services or other resources used as Input to another process.
Human Explanation
Every process has a Supplier from which it receives required inputs.
Why it Matters
The Quality of supplied inputs directly affects the Quality of process outputs.
Conceptual Boundary
A Supplier may be an external party or another department or internal process.
Practical Perspective
Supplier evaluation commonly considers Quality, timeliness, Reliability and conformity with Requirements.