The `BELONGS_TO` edge connects a child node to a parent node in the hierarchy so that hierarchical organizational relationships are represented explicitly in the graph.

- BELONGS_TO: Child → parent in hierarchy

— PYRANA_PLATFORM_ARCHITECTURE_REFERENCE.md

BELONGS_TO

— PYRANA_PLATFORM_ARCHITECTURE_REFERENCE.md

Child → parent in hierarchy

— PYRANA_PLATFORM_ARCHITECTURE_REFERENCE.md