> For the complete documentation index, see [llms.txt](https://docs.digit.org/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.digit.org/health/v1.5/technology.md).

# TECHNOLOGY

- [Architecture](https://docs.digit.org/health/v1.5/technology/architecture.md)
- [High Level Design](https://docs.digit.org/health/v1.5/technology/architecture/high-level-design.md)
- [Health Campaign System High Level Design](https://docs.digit.org/health/v1.5/technology/architecture/high-level-design/health-campaign-system-high-level-design.md)
- [Design Decision Log](https://docs.digit.org/health/v1.5/technology/architecture/high-level-design/design-decision-log.md)
- [Low Level Design](https://docs.digit.org/health/v1.5/technology/architecture/low-level-design.md)
- [Registries](https://docs.digit.org/health/v1.5/technology/architecture/low-level-design/registries.md)
- [Individual](https://docs.digit.org/health/v1.5/technology/architecture/low-level-design/registries/individual.md)
- [Household](https://docs.digit.org/health/v1.5/technology/architecture/low-level-design/registries/household.md)
- [Product](https://docs.digit.org/health/v1.5/technology/architecture/low-level-design/registries/product.md)
- [Facility](https://docs.digit.org/health/v1.5/technology/architecture/low-level-design/registries/facility.md)
- [Attendance](https://docs.digit.org/health/v1.5/technology/architecture/low-level-design/registries/attendance.md): Description of the attendance service
- [Services](https://docs.digit.org/health/v1.5/technology/architecture/low-level-design/services.md)
- [Project](https://docs.digit.org/health/v1.5/technology/architecture/low-level-design/services/project.md)
- [Stock](https://docs.digit.org/health/v1.5/technology/architecture/low-level-design/services/stock.md)
- [Referral](https://docs.digit.org/health/v1.5/technology/architecture/low-level-design/services/referral.md)
- [Field App Architecture](https://docs.digit.org/health/v1.5/technology/architecture/field-app-architecture.md)
- [UI Packages](https://docs.digit.org/health/v1.5/technology/architecture/field-app-architecture/ui-packages.md)
- [Closed HouseHold package](https://docs.digit.org/health/v1.5/technology/architecture/field-app-architecture/ui-packages/closed-household-package.md): It’s been built as a new module (pub package)- closed\_household and It will be a dependency of registration and delivery package.
- [Registration & Delivery Package](https://docs.digit.org/health/v1.5/technology/architecture/field-app-architecture/ui-packages/registration-and-delivery-package.md): This package provides a way to register a household and individual members and deliver the resources to the registered households.
- [Referral Reconciliation Package](https://docs.digit.org/health/v1.5/technology/architecture/field-app-architecture/ui-packages/referral-reconciliation-package.md): This module will enable the health facility supervisors to track referrals made by on-field health workers to different health facilities digitally via the Digit HCM app.
- [Inventory Management Package](https://docs.digit.org/health/v1.5/technology/architecture/field-app-architecture/ui-packages/inventory-management-package.md): This enables the user to manage the stocks of a health campaign. The user can record the stocks received, issued, returned, damaged and lost.
- [Attendance Management Package](https://docs.digit.org/health/v1.5/technology/architecture/field-app-architecture/ui-packages/attendance-management-package.md): The attendance management package is a comprehensive solution for managing attendance.
- [DIGIT Scanner Package](https://docs.digit.org/health/v1.5/technology/architecture/field-app-architecture/ui-packages/digit-scanner-package.md): A scanner package used for scanning QR codes and GS1 barcodes.
- [Digit Showcase Package](https://docs.digit.org/health/v1.5/technology/architecture/field-app-architecture/ui-packages/digit-showcase-package.md)
- [Digit Data Model Package](https://docs.digit.org/health/v1.5/technology/architecture/field-app-architecture/ui-packages/digit-data-model-package.md)
- [DIGIT DSS Package](https://docs.digit.org/health/v1.5/technology/architecture/field-app-architecture/ui-packages/digit-dss-package.md)
- [Standards](https://docs.digit.org/health/v1.5/technology/standards.md)
- [Security](https://docs.digit.org/health/v1.5/technology/security.md)
- [Interoperability](https://docs.digit.org/health/v1.5/technology/interoperability.md)


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