Terms in QuickBooks Desktop shows the number of days by which payment is due and sometimes include a discount for early payment. The 2% 10 Net 30 term means that the payment will due in 30 days with a 2% discount if paid within 10 days.
In case you need reference on how to setup or modify the payment terms, you can follow the steps below:
Go to Lists at the top.
Select Customer & Vendor Profile Lists.
Choose Terms List.
From the Terms drop - down on the left, choose New or Edit Terms.
Enter your preferred name for the payment term, then click OK.