The term INTO CIRCULATION is composed of three words: 'INTO, ' 'CIRCULATION, ' and 'OUT' (3 letters). The phrase INTO CIRCULATION is used to describe the process of introducing something INTO a system or environment, such as money or goods, for use by the public. This phrase is often used in economics to refer to the process of putting money INTO CIRCULATION in order to stimulate the economy. It can also be used to refer to the introduction of new products or services INTO the market.