> For the complete documentation index, see [llms.txt](https://resources.unizin.org/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://resources.unizin.org/products/data-and-analytics/unizin-data-platform/key-concepts.md).

# Key concepts

This section provides a general understanding of the UDP as a solution to aggregate and normalize learning data and serve an institutional learning analytics ecosystem. It describes the key features of the UDP and the ideas that inform the UDP’s technical design and operation as a solution in the data/analytics space. If you are new to the UDP, we strongly recommend that you begin with the Key concepts section.

1. [Platform overview](/products/data-and-analytics/unizin-data-platform/key-concepts/platform-overview.md)
2. [Data categories](/products/data-and-analytics/unizin-data-platform/key-concepts/data-categories.md)
3. [Data models](/products/data-and-analytics/unizin-data-platform/key-concepts/data-models.md)
4. [Loading schemas](/products/data-and-analytics/unizin-data-platform/key-concepts/loading-schemas.md)
5. [Keymap](/products/data-and-analytics/unizin-data-platform/key-concepts/keymap.md)


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