Accounting with SAP R/3
Procedure by which the open items belonging to one or more account are indicated as cleared (paid).
Open items can be cleared if the credit amount used to clear the item equals the debit amount of the item to be cleared. For example, an invoice of 45 dollars may be cleared by a payment amount of 45 dollars.
[vgl. www.sapinfo.net (4.1.2002), URL]