====== 10.1 Overview ======
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The Conceptual [[dido:99_annexes:annex-b-terms-and-definitions:t:traceability|Traceability]] Model defines how the Financial Systems Archetype preserves relationships among conceptual elements, logical elements, implementation artifacts, deployment artifacts, and [[dido:99_annexes:annex-b-terms-and-definitions:e:evidence|Evidence]].

[[dido:99_annexes:annex-b-terms-and-definitions:t:traceability|Traceability]] allows authors, reviewers, implementers, testers, operators, and auditors to understand how a concern moves through the document set. It also supports impact analysis when a concept, logical element, implementation artifact, deployment artifact, or [[dido:99_annexes:annex-b-terms-and-definitions:e:evidence|Evidence]] requirement changes.

Figure 10.1-1 summarises the traceability chain used by the Financial Systems Archetype.

  Conceptual Element
  └── Logical Element / PIM
      └── Implementation Artifact / PSM
          └── Deployment Artifact
              └── Evidence
Figure 10.1-1: Traceability chain from conceptual element to evidence

The [[dido:99_annexes:annex-b-terms-and-definitions:t:traceability|Traceability]] chain does not require one-to-one mapping at every layer. One conceptual element may influence multiple logical elements. One logical element may map to multiple implementation artifacts. One [[dido:99_annexes:annex-b-terms-and-definitions:e:evidence|Evidence]] item may support multiple claims. The architecture requires explicit relationships, not artificial one-to-one correspondence.

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