Financial Accounting (FI):

General Ledger (GL): The FI module helps in managing all the financial transactions and posting them to the appropriate accounts in the general ledger.
Accounts Payable (AP): SAP FICO allows businesses to manage amounts owed to vendors and suppliers, including invoicing, payments, and vendor management.
Accounts Receivable (AR): It also manages the amounts owed by customers, including tracking incoming payments, credit management, and customer invoicing.