Agreement evidencing the terms of a Mortgage LoanMortgage LoanMortgage debt obligation evidenced, or when made will be evidenced, by the Loan Documents or a mortgage debt obligation with a Fannie Mae credit enhancement. using the Form 6001 series Loan DocumentsLoan DocumentsAll documents evidencing, securing, or guaranteeing the debt obligation executed for a Mortgage Loan and approved by Fannie Mae. or another form approved by Fannie Mae.