> For the complete documentation index, see [llms.txt](https://docs.quanti.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.quanti.io/key-concepts.md).

# KEY CONCEPTS

- [Key Concepts](https://docs.quanti.io/key-concepts/concepts.md)
- [Connected Account](https://docs.quanti.io/key-concepts/concepts/connected-account.md)
- [Data Source](https://docs.quanti.io/key-concepts/concepts/data-source.md)
- [Project](https://docs.quanti.io/key-concepts/concepts/project.md)
- [Data Refresh](https://docs.quanti.io/key-concepts/concepts/data-refresh.md)
- [Real-time Analytics](https://docs.quanti.io/key-concepts/concepts/real-time-analytics.md)
- [Pre-built Report](https://docs.quanti.io/key-concepts/concepts/pre-built-report.md)
- [Use Case](https://docs.quanti.io/key-concepts/concepts/use-case.md)
- [Extra Analytics Capacity](https://docs.quanti.io/key-concepts/concepts/extra-analytics-capacity.md)
- [Semantic Layer](https://docs.quanti.io/key-concepts/concepts/semantic-layer.md)
- [Marketing Mix Modeling (MMM)](https://docs.quanti.io/key-concepts/concepts/mmm.md)
- [Tracking Templates](https://docs.quanti.io/key-concepts/concepts/tracking-templates.md): Recommended URL patterns for ad click reconciliation across platforms
- [Data insertion strategies](https://docs.quanti.io/key-concepts/data-insertion-strategies.md)
- [Insert mode : Insert without deleting](https://docs.quanti.io/key-concepts/data-insertion-strategies/insert-mode.md)
- [Insertion method selection guide](https://docs.quanti.io/key-concepts/data-insertion-strategies/insertion-method-selection-guide.md)
- [Replace mode : Delete and insert](https://docs.quanti.io/key-concepts/data-insertion-strategies/replace-mode-delete-and-insert.md)
- [Upsert mode : Update and insert](https://docs.quanti.io/key-concepts/data-insertion-strategies/upsert-mode-update-and-insert.md)
- [Data Concepts](https://docs.quanti.io/key-concepts/fundamental-concepts.md)
- [Date & Partitioning](https://docs.quanti.io/key-concepts/fundamental-concepts/date-and-partitioning.md)
- [Lookback window](https://docs.quanti.io/key-concepts/fundamental-concepts/lookback-window.md)
- [Primary key](https://docs.quanti.io/key-concepts/fundamental-concepts/primary-key.md)


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