Product (glossary)
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. (BKCASE Author Team, INCOSE UK Chapter Capability Working Group, both 2010)
Source
Discussion
Discussion as to why this is the "consensus" definition for the SEBoK.