On the top you will get the total balances for debtors and various movements. You will see the current billing period. On the left hand side is a panel with each debtor and the balance. By changing the billing entity the system will automatically display the details for the new billing entity. On the right hand side will be a list of transactions with the various balances for the client billing period.
The view below is a view of the statement and the system will automatically display the opening position and the closing position for the period in question.
The screen below shows how the balance of each invoice is made up.