Pop Art-a school of art that emerged in the United Kingdom in the 1950s and became prevalent in the United States and the United Kingdom in the 1960s; it imitated the techniques of commercial art (as the soup cans of Andy Warhol) and the styles of popular culture and the mass media.
Medicare wages are the gross wages less the health and dental deductions. Taxable wages are gross wages less health dental 401/457 PERS and other retirement deductions. Not sure what social security wages are... social security wages are not always the same as medicare.
Social security and Medicare taxes paid by employer. If you and your employer have an agreement that your employer pays your social security and Medicare taxes without deducting them from your gross wages, you must report the amount of tax paid for you as taxable wages on your tax return.