An annuity which requires one premium that is paid at inception and defers all future payments to some time in the future date. They are not used to fund structured settlements.
An annuity product through which a single payment accumulated at interest creates a fund that will be paid to the annuitant at some future date. This is often shortened to SPDA.
An annuity under which the initial premium accumulates together with investment income to create a fund that will be paid out to the annuitant at some time in the future.