1) The lotus flower is considered a sacred symbol in many cultures and is associated with purity, enlightenment, and rebirth.

2) The Federal Reserve System, often referred to as the Fed, is the central banking system of the United States.

3) The Arctic Ocean is the smallest and shallowest ocean, located at the North Pole. It is covered by sea ice for much of the year.

4) The musical "Hamilton" has won numerous awards, including 11 Tony Awards and the Pulitzer Prize for Drama.