Opening Balance On:  This is the opening balance as on the day when you generate the report.

Event Number:  The financial event number has been set up on the financial event.

Event Description :  The financial description has been set up on the financial event.

Transaction Description:  The transaction description has been set up on the financial event.

Debit Amount:  The total amount that was debit, this will be the total transaction that has been used for this financial event on the specific date range. 

Credit Amount:  The total amount that was credit, this will be the total transaction that has been used for this financial event on the specific date range.

Total:  The total running amount on that financial event.

Closing Balance :  The closing balance for that specific date range.