How are these connected and break them down to tell me how they help us for the future/today

FRED - Federal Funds Effective Rate 6 5 A Percent 2 0 2008 2010 2012 2014 2016 Source: Board of Governors of the Federal Reserve System (US)FRED - Consumer Price Index for All Urban Consumers: All Items in U.S. City Average 15 10 5 M 0 Compounded Annual Rate of Change -5 -10 -15 -20 2008 2010 2012 2014 2016 Source: U.S. Bureau of Labor Statistics