Currency represents money.  Paper bills and coins
are currency.  There are trillions of dollars circulating
through the global monetary system.  The amount
of cash that the public holds varies seasonally, by
the day of the month, and even by the day of the
week.

For example, people demand a large amount of
cash for shopping and vacations during the
year-end holiday season.  People also typically
withdraw cash at ATMs over the weekend, so
there is more cash in circulation on Monday than
on Friday according to the Federal Reserve Bank… Read More