Defined-contribution plans

Defined-contribution (DC) retirement plans allow employees to invest pre-tax dollars in the capital markets where they can grow tax-deferred until retirement.

Simpler Explained: A defined contribution plan is a common workplace retirement plan in which an employee contributes money and the employer typically makes a matching contribution

Essentially, they are retirement plans that companies may offer as a benefit in which you, your employer or both make contributions on a regular basis.