SYSE.8:10 - Rationale
FPF already distinguishes promise content, SystemRole assignments, Systems, Methods, Work, evidence, commitments, permissions, value, and direct relations. The recurring Systems Engineering difficulty is more specific: a choice among transfer, access, continuing provision, or result responsibility changes both the engineered subject and the provider arrangement that realizes and sustains use. This pattern connects the offering choice with the provider arrangement needed to fulfil it.