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. backing an MBSMBSMortgage-Backed Security, PFP MBSPFP MBSMBS backed by a PFP Mortgage Loan., or REMICREMICReal Estate Mortgage Investment Conduit.