CIRCULATION
- the movement of the blood round the body [n -S]
- Movement to and fro or around something, esp. that of fluid in a closed system
- The continuous motion by which the blood travels through all parts of the body under the action of the heart
- The movement of sap through a plant
- The public availability or knowledge of something
- The movement, exchange, or availability of money in a country
- The number of copies sold of a newspaper or magazine