Definitions for "Tracking Number"
A number you can create in VAX that enables you to save your itinerary information without creating the actual reservation. Use tracking numbers if you want to save your work and complete it at a later time.
The number automatically assigned to every FedEx® Express or FedEx® Ground shipment to identify and trace it as it travels to its destination.
a unique number placed on every package by the carrier
a mechanism that offers real, measurable, proven results
Keywords:  extra, measure
an extra measure of