Systems design is the process or art of defining the hardware and software architecture, components, modules, interfaces, and data for a computer system to satisfy specified requirements. One could see it as the application of systems theory to computing. From : en.wikipedia.org/wiki/Systems design a blueprint, plan or model of a system; deciding how a proposed information system will meet the information needs of end users; includes logical and physical design; it should satisfy system requirements developed in the systems analysis From : www.321site.com/greg/courses/mis1/glossary.htm