# Shared elements of the model: one name for one thing. A diagram refers to # an element with `ref: ` and adds only its position and size. schema_version: 1 elements: api: type: backend label: API sublabel: REST service description: > What this thing is and does, in one place. Shown on hover and on the model page wherever the element is used. # diagram: 0300-components/api.archify # the diagram that explains it db: type: database label: Database sublabel: PostgreSQL brand: postgresql description: The source of truth.