# 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](https://resources.unizin.org/products/data-and-analytics/unizin-data-platform/key-concepts/platform-overview) 2. [Data categories](https://resources.unizin.org/products/data-and-analytics/unizin-data-platform/key-concepts/data-categories) 3. [Data models](https://resources.unizin.org/products/data-and-analytics/unizin-data-platform/key-concepts/data-models) 4. [Loading schemas](https://resources.unizin.org/products/data-and-analytics/unizin-data-platform/key-concepts/loading-schemas) 5. [Keymap](https://resources.unizin.org/products/data-and-analytics/unizin-data-platform/key-concepts/keymap) --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://resources.unizin.org/products/data-and-analytics/unizin-data-platform/key-concepts.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.