What does 'Pick your own card name' mean in the payments section of Barclaycard online servicing?

When you save the details of a payment card with Barclaycard online servicing, you're given the option to name the card. This helps you to quickly identify which card you're using to make a payment in the future - instead of having to identify the card by the number. The name can be anything you choose.

To make a payment online, log into, or register for Barclaycard online servicing.