(1) A system considered from the point of view of a physical “system end product” (ANSI/EIA 2003) made of system elements that may include hardware, software, infrastructure and support services. The people and organizational aspects of the “whole system” of which the “product system” forms a part have to be considered in the design, but are provided by another organization. (INCOSE UK Chapter 2010)
(2) An artifact that is produced, is quantifiable, and can be either an end item in itself or a component item. (PMI 2008)
(1) INCOSE UK Chapter. 2010. Applying Systems Engineering to In-Service Systems: Supplementary Guidance to the INCOSE Systems Engineering Handbook. Version 3.2, issue 1.0. Foresgate, UK: International Council on Systems Engineering (INCOSE) UK Chapter: 10, 13, 23.
(2) PMI. 2008. A Guide to the Project Management Body of Knowledge (PMBOK® Guide), 4th ed. Newtown Square, PA, USA: Project Management Institute (PMI).
This definition is a systems engineering definition, which is consistent with the concept of a system-of-interest (SoI) focused on the product system to be delivered to an acquirer who will use it to help deliver user outcomes.