A product, component, or part is produced through a number of processes. The order of process necessary to create these items is called Routings, and the ones gathered all together and expressed as a list is called i.e. Bill of Operation. Speaking of "Routings" in the production control information system, it refers to the data to show the order of process to produce items. This data includes item number, process number, order cord, setup time, and fundamental operation time.

Related term: Engineering Data