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+---
+title: "Architecture Decision Records"
+description: "Overview of the Architecture Decision Records (ADRs) for LUNA Charts."
+---
+
+## What are ADRs?
+
+An **Architecture Decision Record (ADR)** documents an important architectural decision along with its context, the alternatives considered, and the resulting consequences.
+
+Instead of keeping knowledge only in the heads of individual maintainers, every decision is recorded in a traceable way: **why** it was made, **which options** were rejected, and **which trade-offs** were consciously accepted.
+
+## Why do we use ADRs?
+
+* **Traceability** – decisions remain understandable even years later.
+* **Onboarding** – new contributors quickly understand why the project is structured the way it is.
+* **Consistency** – future decisions can reference existing ADRs instead of repeating past discussions.
+* **Governance** – architectural changes happen deliberately, through a new ADR, rather than silently in the code.
+
+## ADRs at LUNA Charts
+
+LUNA Charts is an accessible, framework-agnostic charting library. Architectural decisions follow the phases of the **TOGAF Architecture Development Method (ADM)** and are continuously documented as ADRs – from repository structure to the technology stack to foundational principles such as accessibility.
+
+The following ADRs have been documented so far:
+
+* **ADR-0001** – Repository Structure
+* **ADR-0002** – Technology Stack
+* **ADR-0003** – Web Components as Public API
+* **ADR-0004** – SVG as Rendering Technology
+* **ADR-0005** – Accessibility as a Cross-Cutting Concern