Thanks for your help everyone. I am going to present all of these suggestions to our staff and choose one.

>>Our software stores the original amount and current balance due. In some places, we calculate the difference to display the amount paid. That may include not only payments, but other allowances/adjustments, or the entire balance could have been cancelled. We've always called this "Amount Paid" for the lack of a better term, but now we are getting some quibbles about that, and we are looking for a better term. I've thought of "Amount Reduced" or "Balance Reduction", but I'm hoping for something better. Maybe some of you have run across this issue before? We just want to change the terminology, not the calculation.
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>>Thanks.
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>How about calling the column simply as Credits, cannot be argued. The invoice side Debits and of course Balance.
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>HTH