D
Deduction
An amount that can be subtracted from gross income, from a gross estate, or from a gift, thereby lowering the amount on which tax is assessed.
Defined Benefit Plan
A qualified retirement plan under which a retiring employee will receive a guaranteed retirement fund, usually payable in installments. Annual contributions may be made to the plan by the employer at the level needed to fund the benefit. The annual contributions are limited to a specified amount, indexed to inflation.
Defined Contribution Plan
A retirement plan under which the annual contributions made by the employer or employee are generally stated as a fixed percentage of the employee's compensation or company profits. The amount of retirement benefits is not guaranteed; rather, it depends upon the investment performance of the employee's account.