What is nominal GDP? What is real GDP? What is included ineach? Why are these me

What is nominal GDP? What is real GDP? What is included ineach? Why are these measures important? What do they tell us? Whatwas GDP for the last two years? Use the data at the following Website to answer this question as well as the information in yourtext:http://www.bea.gov/national/index.htm#gd