You are AN EXPERT
Do you want to read more in one of the reference book?
Supply Chain Management
APICS Dictionary www.apics.org
Chapman, Steve, Tony K. Arnold, Ann K., Gatewood, Lloyd Clive. Introduction to Materials Management 8th ed. Pearson, 2016.
Goldratt, Eliyahu M, and Jeff Cox. The Goal 3rd rev. ed. Great Barrington, MA: North River Press, 2004. First published in 1984.
Blanchard, Kenneth, and Spencer Johnson. One-Minute Manager, Kenneth Blanchard. New York: Morrow and Co., 1982.