This document provides definitions and explanations of key economic terms related to unemployment and inflation. It defines stagflation as high inflation combined with rising unemployment. The labor force is defined as non-institutionalized individuals over 16 who are working or looking for work. To be counted as unemployed, one must have no job but looked for work in the last four weeks. The labor force participation rate is the ratio of the labor force to the working age population. Seasonal and structural unemployment are also defined. Demand-pull and cost-push inflation are explained as outward and inward shifts of the aggregate supply and demand curves, respectively.