erDiagram
    Domain ||--o{ Subdomain : contains

    Subdomain ||--o{ Capability : contains
    Subdomain ||--o{ Entity : contains
    Subdomain ||--o{ Process : has
    Subdomain ||--o{ Glossary : has

    Entity ||--o{ Attribute : has
    Entity ||--o{ Relationship : from
    Entity ||--o{ Relationship : to

    Capability ||--o{ Requirement : has

    Requirement ||--o{ Rule : has
    Requirement ||--o{ OpenQuestion : has
    Requirement ||--o{ Test : inspires

    Rule ||--o{ Example : has

    TestSuite ||--o{ Test : contains
    TestSuite ||--o{ TestRun : executes

    Fact ||--o{ Insight : supports
    Insight ||--o{ Recommendation : leads-to
    Recommendation ||--o{ BacklogItem : becomes

    BacklogItem }o--o{ Requirement : links

flowchart TD
    D[Domain] --> SD[Subdomain]
    SD --> C[Capability]
    SD --> E[Entity]
    SD --> P[Process]
    SD --> G[Glossary]

    E --> A[Attribute]
    E --> REL[Relationship]
    REL --> E

    C --> R[Requirement]
    R --> RU[Rule]
    R --> OQ[OpenQuestion]
    R -.-> T[Test]
    RU --> EX[Example]

    TS[TestSuite] --> T
    TS --> TR[TestRun]

    F[Fact] --> I[Insight]
    I --> REC[Recommendation]
    REC -.-> B[BacklogItem]

    B -.-> R