B.5.3:8 - Relations Builds on: A.2, A.6.5, C.3, E.24.UK, F.0.1, F.1, F.2, F.3, F.5, F.8, and F.17. Coordinates with: A.7, C.2.1, E.10.ROLE, E.17, A.13, A.15, B.3.3, F.7, F.9, and the direct domain-specific CHR, LOG, and CAL patterns. Used when: a project must recover what an exact source expression means for one FPF claim, or must relate two distinct local meanings for a named receiving use without confusing the wording, governed value, semantic relation, and use.