In terms of transaction management, what is the function of the "Match to Transaction" button?

The "Match to Transaction" button serves the specific function of connecting a selected transaction to an order. This process is crucial for transaction management as it ensures that the financial records align with the corresponding orders. By matching a transaction to an order, users can verify that the order details, including amounts and dates, are accurate and consistent with the financial information recorded. This step is essential in maintaining accurate accounting and auditing practices, making it easier to track payments, manage outstanding amounts, and verify that transactions are complete.

The other options do not accurately describe the purpose of the "Match to Transaction" button. Approving a transaction for payment or finalizing order processing involves different actions that do not specifically pertain to matching transactions with orders. Terminating the transaction process is something entirely different and does not relate to the process of establishing connections between transactions and orders.