A reference number is a unique identifier assigned to any financial transaction, including those made using a credit or debit card.

Serial numbers can be used to find historical and pricing information on your watch, but where are they located?

The IMEI number is a unique 15-digit code given to every smartphone. It can help you locate your phone if it's lost or stolen, or remotely lock it down.

This transaction number, or Unique Transaction ID, is used for several purposes, including for monitoring the transaction status, for reference and for disputes.

It's possible to find the IMEI number on your iPad if you have a model with cellular capabilities, or find the serial number on any iPadOS device.

How to Find the Serial Number on a Dell Latitude Laptop. Traveling business owners and their employees often depend on laptops to work on the road, and, even when using the most high-performance ...