If ITunes is over and done why I am I still getting charged?

The iTunes application in MacOS Catalina was replaced by 4 separate apps with similar functionality. See: What happened to iTunes? - Apple Support

But the iTunes store still exists and it still charges for purchases and subscriptions. If you don't know what a charge is for, see: If you see apple.com/bill, itunes.com/bill, or an unfamiliar charge on your statement - Apple Support

or if you have a subscription that you want to cancel, see:

View, change, or cancel your subscriptions - Apple Support