The deduction from gross income (no itemizing required) for tuition and fees expired at the end of 2017. However, there is still some hope that it may be extended retroactively for 2018. And there is some talk that it will also be extended for 2019. If so, information will appear on jklasser.com.
A portion of earnings withheld by an employer or put into a retirement plan for distribution to the employee at a later date. If certain legal requirements are met, the deferred amount is not taxable until actually paid, for example, after retirement.