Finance
A bank is an institution usually makes most of its money by lending out credit against a security in exchange for interest. Which is to say, of course, that a bank makes money by creating money.
A bank's assets are their loans and their liabilities are your deposits ... get it?
Aeronautics / Flying
In airplane terminology, banking means tipping the aircraft to the left or right along an axis that runs from the nose to the tail of the aircraft, usually as part of a maneuver to turn the aircraft.