> For the complete documentation index, see [llms.txt](https://help.santesuite.org/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.santesuite.org/santedb.md).

# Architecture

- [SanteDB Architecture](https://help.santesuite.org/santedb/architecture.md)
- [SanteDB History](https://help.santesuite.org/santedb/architecture/santedb-history.md): This page describes the history of the SanteDB project.
- [Solution Architecture](https://help.santesuite.org/santedb/deployment-models.md)
- [Software Architecture](https://help.santesuite.org/santedb/software-architecture.md)
- [Publish / Subscribe Architecture](https://help.santesuite.org/santedb/software-architecture/publish-subscribe-architecture.md)
- [New ADO (nuado)](https://help.santesuite.org/santedb/software-architecture/new-ado-nuado.md)
- [Roadmap](https://help.santesuite.org/santedb/software-architecture/version-3.x-roadmap.md)
- [Data & Information Architecture](https://help.santesuite.org/santedb/data-and-information-architecture.md)
- [Conceptual Information Model](https://help.santesuite.org/santedb/data-and-information-architecture/conceptual-data-model.md)
- [Concept Dictionary](https://help.santesuite.org/santedb/data-and-information-architecture/conceptual-data-model/concept-dictionary.md)
- [Data Dictionary](https://help.santesuite.org/santedb/data-and-information-architecture/conceptual-data-model/concept-dictionary/data-dictionary.md)
- [Acts](https://help.santesuite.org/santedb/data-and-information-architecture/conceptual-data-model/acts.md)
- [State Machine](https://help.santesuite.org/santedb/data-and-information-architecture/conceptual-data-model/acts/state-machine.md)
- [Act Relationships](https://help.santesuite.org/santedb/data-and-information-architecture/conceptual-data-model/acts/act-relationships.md)
- [Mood Concepts](https://help.santesuite.org/santedb/data-and-information-architecture/conceptual-data-model/acts/mood-concepts.md)
- [Class Concepts](https://help.santesuite.org/santedb/data-and-information-architecture/conceptual-data-model/acts/class-concepts.md)
- [Data Dictionary](https://help.santesuite.org/santedb/data-and-information-architecture/conceptual-data-model/acts/act-data-dictionary.md)
- [Entities](https://help.santesuite.org/santedb/data-and-information-architecture/conceptual-data-model/entities.md)
- [State Machine](https://help.santesuite.org/santedb/data-and-information-architecture/conceptual-data-model/entities/state-machine.md)
- [Entity Relationships](https://help.santesuite.org/santedb/data-and-information-architecture/conceptual-data-model/entities/entity-relationships.md)
- [Determiner Codes](https://help.santesuite.org/santedb/data-and-information-architecture/conceptual-data-model/entities/determiner-codes.md)
- [Class Codes](https://help.santesuite.org/santedb/data-and-information-architecture/conceptual-data-model/entities/class-codes.md)
- [Data Dictionary](https://help.santesuite.org/santedb/data-and-information-architecture/conceptual-data-model/entities/data-dictionary.md)
- [Null Reasons](https://help.santesuite.org/santedb/data-and-information-architecture/conceptual-data-model/null-reasons.md)
- [Extended Data](https://help.santesuite.org/santedb/data-and-information-architecture/conceptual-data-model/extended-data.md)
- [Physical Model](https://help.santesuite.org/santedb/data-and-information-architecture/physical-model.md)
- [Act Data Dictionary](https://help.santesuite.org/santedb/data-and-information-architecture/physical-model/act-data-dictionary.md)
- [Entity Data Dictionary](https://help.santesuite.org/santedb/data-and-information-architecture/physical-model/entity-data-dictionary.md)
- [Concept Dictionary Data Dictionary](https://help.santesuite.org/santedb/data-and-information-architecture/physical-model/concept-dictionary.md)
- [Data Storage Patterns](https://help.santesuite.org/santedb/data-and-information-architecture/data-storage-patterns.md): Exploring SanteDB's patterns of data storage
- [Master Data Storage](https://help.santesuite.org/santedb/data-and-information-architecture/data-storage-patterns/master-data-storage.md)
- [SanteDB Object Identifiers (OIDs)](https://help.santesuite.org/santedb/data-and-information-architecture/santedb-object-identifiers-oids.md)
- [Security Architecture](https://help.santesuite.org/santedb/security-architecture.md)
- [Privacy Architecture](https://help.santesuite.org/santedb/privacy-architecture.md)
- [Matching Engine](https://help.santesuite.org/santedb/matching-engine.md)
- [HIE & Interoperability](https://help.santesuite.org/santedb/hie-and-interoperability.md)


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