If you prefer using the barn names instead of the numeric ID, you can do that.
Instead of entering or asking an ID number, you can enter or ask the barn name.
To use barn names, you need to first click the setup icon (the gear) and set the "Use Barn Names'" switch on.
For example, if you say
It will bring up the cowcard for Violet. (If you don't have a Violet, you can use a different name ;) )
When barn names are enabled, lists will show the barn name instead of the ID.