I need best keywords for Purchase?

I prefer to mention the below:

5R Rule as a Purchase Concept (Right product from the Right supplier at the Right cost delivered to Right place at the Right time).

interms of Purchasing Key words:

1) PROCURE TO PAY CYCLE (P2P)

2) PURCHASE ORDER CYCLE TIME

3) SUPPLIER COMPLIANCE RATE

4) COST AVOIDANCE AND COST REDUCTION

5) TOTAL PROCUREMENT ROI