401(k) plans are employer-sponsored retirement savings plans that allow employees to save and invest a portion of their paycheck before taxes are taken out. These contributions grow tax-deferred until they are withdrawn during retirement.
IRA: An Individual Retirement Account that offers tax advantages for retirement savings, separate from employer-sponsored plans.
Roth IRA: A type of IRA where contributions are made with after-tax dollars and qualified withdrawals in retirement are tax-free.
Pension Plan: A retirement plan where an employer contributes funds on behalf of employees, who receive fixed payments upon retiring.