Adjustable Rate Mortgage (ARM) :-
A mortgage with an interest rate that changes over time in line with movements in the index. ARMs are also referred to as AMLs (adjustable mortgage loans) or VRMs (variable rate mortgages).
Adjustment Period :-
The length of time between interest rate changes on an ARM. For example, a loan with an adjustment period of one year is called a one-year ARM, which means that the interest rate can change once a year.
Amortization :-
Repayment of a loan in installments of principal and interest, rather than interest-only payments.
Annual Percentage Rate (APR) :-
The total finance charge (interest, loan fees, points) expressed as a percentage of the loan amount.