mermaid
graph TD
    A[Key Partners] -->|relationships| B[Key Activities]
    B -->|core| C[Value Propositions]
    C -->|targets| D[Customer Segments]
    A -->|support| E[Key Resources]
    E -->|enable| B
    C -->|delivered through| F[Channels]
    D -->|feedback from| G[Customer Relationships]
    G -->|inform| C
    D -->|generate| H[Revenue Streams]
    E -->|costs| I[Cost Structure]
    style A fill:#f9f,stroke:#333,stroke-width:4px
    style B fill:#bbf,stroke:#333,stroke-width:4px
    style C fill:#fbf,stroke:#333,stroke-width:4px
    style D fill:#bfb,stroke:#333,stroke-width:4px
    style E fill:#ddf,stroke:#333,stroke-width:4px
    style F fill:#ffd,stroke:#333,stroke-width:4px
    style G fill:#fdf,stroke:#333,stroke-width:4px
    style H fill:#fdd,stroke:#333,stroke-width:4px
    style I fill:#ddf,stroke:#333,stroke-width:4px

This Mermaid diagram illustrates a basic Business Model Canvas with connections between its nine building blocks: Key Partners, Key Activities, Value Propositions, Customer Segments, Key Resources, Channels, Customer Relationships, Revenue Streams, and Cost Structure.