Payee summary refers to a report that provides a detailed summary of all the payments made to a particular payee. This summary includes information such as the check number, date of payment, amount paid, and any notes associated with the payment. 

This summary is useful for tracking all payments made to a specific payee, such as a vendor, supplier, or contractor. It can help ensure that all payments have been accurately recorded and that there are no outstanding balances owed to the payee. 

Overall, the payee summary in Online Check Writer provides a convenient and efficient way to track payments and maintain accurate financial records.