# Data Dictionary

The Data Dictionary provides per-table column definitions.
Sample values and metrics are provided for key columns where appropriate, but your business may calculate or timebox metrics in different ways.

## Entity Relationship Diagram (ERD)

The diagram below illustrates the relationships among the various shared tables:

![Data Sharing ERD](/assets/data-sharing-erd-dec-04-2025.0132a296fcc3c4c9d035745c5cb11a946ce9b4b0c36121954a6da3d970d1848a.71a4f21c.jpeg)
*Full Resolution Image*