diff --git a/docs/01-overview.md b/docs/01-overview.md
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--- a/docs/01-overview.md
+++ b/docs/01-overview.md
@@ -24,8 +24,7 @@ Unlike traditional display servers that focus on 2D screens, Stardust XR introdu
 
 ## Architecture
 
-TODO: add some diagram of the core components needed and how they interface
-<!-- example: https://woodpecker-ci.org/docs/next/usage/terminology#woodpecker-architecture -->
+![simplified architecture diagram](./simplified-architecture.png)
 
 ## Projects & Components
 
diff --git a/docs/simplified-architecture.png b/docs/simplified-architecture.png
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Binary files /dev/null and b/docs/simplified-architecture.png differ