Final answer:
The origination of a residential mortgage loan involves the loan application and approval process, including verifying income and conducting a credit check.
Step-by-step explanation:
The origination of a residential mortgage loan, for the purposes of the definition of a loan processor or underwriter, involves the loan application and approval process. Before a bank grants a mortgage loan, the prospective borrower is required to fill out forms regarding income sources and undergo a credit check. Additionally, collateral such as property or equipment may be required by the bank as a means of securing the loan.