Final answer:
A specified charge against real property that is used as security is known as a mortgage.
Step-by-step explanation:
The specified charge against real property that is used as security is known as a mortgage. A mortgage is a legal agreement between a borrower and a lender, where the borrower pledges their property as collateral for a loan. If the borrower fails to repay the loan, the lender has the right to seize and sell the property to recoup their losses.