====== 7.1 Overview ======
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The core conceptual elements define the basic architectural vocabulary used by the Financial Systems Archetype. These elements describe participants, [[dido:99_annexes:annex-b-terms-and-definitions:n:node_role|Node Role]]s, [[dido:99_annexes:annex-b-terms-and-definitions:n:node_identity|Node Identities]], [[dido:99_annexes:annex-b-terms-and-definitions:c:communication_endpoint|Communication Endpoint]]s, information structures, [[dido:99_annexes:annex-b-terms-and-definitions:r:runtime_plane|Runtime Plane]] classifications, [[dido:99_annexes:annex-b-terms-and-definitions:e:evidence|Evidence]], and [[dido:99_annexes:annex-b-terms-and-definitions:t:traceability|Traceability]] before later parts map them to [[dido:99_annexes:annex-b-terms-and-definitions:l:logical_model|Logical Model (LM)]]s, implementation artifacts, deployment artifacts, or [[dido:99_annexes:annex-b-terms-and-definitions:e:evidence|Evidence]] packages.
Figure 7.1-1 summarises the primary relationships among the core conceptual elements defined in this section.

  Node
  ├── has Node Identity
  ├── performs Node Role
  ├── participates in Runtime Plane
  └── uses Communication Endpoint
          └── carries Data Structure Instance
                  └── conforms to Data Structure Definition

Figure 7.1-1: Core conceptual element relationships

A [[dido:99_annexes:annex-b-terms-and-definitions:f:financial_node|Node]] participates in the architecture through a stable [[dido:99_annexes:annex-b-terms-and-definitions:n:node_identity|Node Identity]], one or more [[dido:99_annexes:annex-b-terms-and-definitions:n:node_role|Node Role]]s, one or more [[dido:99_annexes:annex-b-terms-and-definitions:r:runtime_plane|Runtime Plane]]s, and one or more [[dido:99_annexes:annex-b-terms-and-definitions:c:communication_endpoint|Communication Endpoint]]s. [[dido:99_annexes:annex-b-terms-and-definitions:c:communication_endpoint|Communication Endpoint]]s carry [[dido:99_annexes:annex-b-terms-and-definitions:d:data_structure_instance|Data Structure Instance]]s. Each [[dido:99_annexes:annex-b-terms-and-definitions:d:data_structure_instance|Data Structure Instance]] conforms to its [[dido:99_annexes:annex-b-terms-and-definitions:d:data_structure_definition|Data Structure Definition]]. [[dido:99_annexes:annex-b-terms-and-definitions:t:traceability_and_evidence|Traceability and Evidence]] apply across these relationships, enabling later parts to relate conceptual elements to [[dido:99_annexes:annex-b-terms-and-definitions:l:logical_model|Logical Model (LM)]]s, implementation artifacts, deployment artifacts, and observed results.

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