Define system of statism?

Systems analysis is the study of sets of interacting entities, including computer systems analysis. This field is closely related to operations research. It is also "an explicit formal inquiry...

a river and all its tributaries

what is supply chain information system?

A file based system is a collection of application programs that perform services for the users wishing to access information. Each program within a file based system defines and manages its own data.

The system feet, inches, pounds, miles, and gallons are in is called the Customary System, or some times called the American Units.