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.
If the employee is salaried, their gross wage is the amount of their annual salary. If the employee is compensated hourly, their gross wage can be determined by multiplying the number of hours they work in a regular work week or pay period by the amount of their hourly wage.