Severance pay is typically provided to employees who are laid off or terminated, and is not considered a regular employee benefit.

The maximum contribution limit for a traditional IRA in 2023 is $6,500 for individuals under the age of 50, and $7,500 for individuals aged 50 or older.

A pension plan is a defined benefit retirement plan, where the employer promises to pay a fixed amount of money to the employee upon retirement.

The maximum contribution limit for a 401(k) plan in 2023 is $22,500 for individuals under the age of 50, and $30,000 for individuals aged 50 or older.

A high-deductible health plan (HDHP) is a type of health savings account (HSA), and is not a type of health insurance plan.

The maximum contribution limit for a health savings account (HSA) in 2023 is $3,650 for individuals, and $7,300 for families.

A Roth IRA is a type of individual retirement account (IRA), and is not a separate type of retirement savings plan.

The maximum contribution limit for a Roth IRA in 2023 is $6,500 for individuals under the age of 50, and $7,500 for individuals aged 50 or older.

A parking FSA is not a type of flexible spending account (FSA).

The maximum contribution limit for a health care FSA in 2023 is $3,050.

A 401(k) plan is not a type of employee stock ownership plan (ESOP).

The maximum contribution limit for an employee stock purchase plan (ESPP) in 2023 is $30,000.

A 401(k) plan is not a type of non-qualified deferred compensation plan.

The maximum contribution limit for a supplemental executive retirement plan (SERP) in 2023 is $300,000.

A pension plan is not a type of welfare benefit plan.