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<div class="date">
  <img class="date-icon" src="/icons/outline/date-blue.svg" alt="Calendar" />  Module 2 
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# First Principles of Vector Search

Start with the [Module Overview](https://qdrant.tech/course/beginners/module-2/module-overview/index.md), then work through the path.

## Today's Path

1. [From Idea to System](https://qdrant.tech/course/beginners/module-2/from-idea-to-system/index.md)
2. [Core Data Model](https://qdrant.tech/course/beginners/module-2/core-data-model/index.md)
3. [Distance Metrics](https://qdrant.tech/course/beginners/module-2/distance-metrics/index.md)
4. [Top-K Retrieval](https://qdrant.tech/course/beginners/module-2/top-k-retrieval/index.md)
5. [Fast Approximate Search: HNSW](https://qdrant.tech/course/beginners/module-2/hnsw/index.md)
6. [Payload Filtering](https://qdrant.tech/course/beginners/module-2/payload-filtering/index.md)
7. [Chunking Strategies](https://qdrant.tech/course/beginners/module-2/chunking-strategies/index.md)
8. [Ingestion Pipeline: End-to-End](https://qdrant.tech/course/beginners/module-2/ingestion-pipeline/index.md)
9. [Further Reading](https://qdrant.tech/course/beginners/module-2/further-reading/index.md)