Final answer:
OASDI is another name for Social Security tax, which is a program offering retirement, survivor, and disability benefits to Americans, funded through a dedicated payroll tax.
Step-by-step explanation:
Old Age Survivors Disability Insurance (OASDI) is another name for the Social Security tax. Social Security is a comprehensive program that provides retirement, survivor, and disability benefits. It is a critical safety net for many Americans, ensuring financial support for those who have retired from the workforce, as well as for individuals who have lost a spouse or have a disability. Funded through a payroll tax, Social Security benefits are based on earnings, are intended to supplement other forms of income, and aim to reduce poverty among the elderly and disabled.