The report summary provides the following totals for all unpaid invoices that were raised during the specified time period:
The sum of the total invoiced amount for all unpaid or partially paid invoices
The sum of the payments received against all partially paid invoices
The sum of all outstanding payments against all unpaid or partially paid invoices
The report details section lists each unpaid or partially paid invoice during the specified time period. Clicking each of these line items will open the invoice in full.