diff --git a/CONTEXT.md b/GLOSSARY.md
similarity index 100%
rename from CONTEXT.md
rename to GLOSSARY.md
diff --git a/docs/agents/domain.md b/docs/agents/domain.md
index 5c96bdc..e9c6ed6 100644
--- a/docs/agents/domain.md
+++ b/docs/agents/domain.md
@@ -5,9 +5,9 @@ exploring the codebase.
 
 ## Before exploring, read these
 
-- **`CONTEXT.md`** at the repo root, or
-- **`CONTEXT-MAP.md`** at the repo root if it exists — it points at one
-  `CONTEXT.md` per context. Read each one relevant to the topic.
+- **`GLOSSARY.md`** at the repo root, or
+- **`GLOSSARY-MAP.md`** at the repo root if it exists — it points at one
+  `GLOSSARY.md` per context. Read each one relevant to the topic.
 - **`docs/adr/`** — read ADRs that touch the area you're about to work in. In
   multi-context repos, also check `src/<context>/docs/adr/` for context-scoped
   decisions.
@@ -23,32 +23,32 @@ Single-context repo (most repos):
 
 ```
 /
-├── CONTEXT.md
+├── GLOSSARY.md
 ├── docs/adr/
 │   ├── 0001-event-sourced-orders.md
 │   └── 0002-postgres-for-write-model.md
 └── src/
 ```
 
-Multi-context repo (presence of `CONTEXT-MAP.md` at the root):
+Multi-context repo (presence of `GLOSSARY-MAP.md` at the root):
 
 ```
 /
-├── CONTEXT-MAP.md
+├── GLOSSARY-MAP.md
 ├── docs/adr/                          ← system-wide decisions
 └── src/
     ├── ordering/
-    │   ├── CONTEXT.md
+    │   ├── GLOSSARY.md
     │   └── docs/adr/                  ← context-specific decisions
     └── billing/
-        ├── CONTEXT.md
+        ├── GLOSSARY.md
         └── docs/adr/
 ```
 
 ## Use the glossary's vocabulary
 
 When your output names a domain concept (in an issue title, a refactor proposal,
-a hypothesis, a test name), use the term as defined in `CONTEXT.md`. Don't drift
+a hypothesis, a test name), use the term as defined in `GLOSSARY.md`. Don't drift
 to synonyms the glossary explicitly avoids.
 
 If the concept you need isn't in the glossary yet, that's a signal — either