diff --git a/CONTEXT.md b/GLOSSARY.md
similarity index 100%
rename from CONTEXT.md
rename to GLOSSARY.md
diff --git a/README.md b/README.md
index 2091bf5..37b1eae 100644
--- a/README.md
+++ b/README.md
@@ -156,7 +156,7 @@ The authoritative guides are:
 - [S3 commands](docs/s3.md)
 - [Billing and invoice commands](docs/billing.md)
 - [Experimental support adapter](docs/support.md)
-- [Domain terminology and established constraints](CONTEXT.md)
+- [Domain terminology and established constraints](GLOSSARY.md)
 
 The visible command tree is discoverable with `regru --help` and any nested
 `--help`. Shell completion is available through `regru completion
diff --git a/docs/agents/domain.md b/docs/agents/domain.md
index 4106493..e8be577 100644
--- a/docs/agents/domain.md
+++ b/docs/agents/domain.md
@@ -1,5 +1,5 @@
 # Domain Docs
 
-This is a single-context repository. Before exploring or changing the codebase, read `CONTEXT.md` at the repository root.
+This is a single-context repository. Before exploring or changing the codebase, read `GLOSSARY.md` at the repository root.
 
 Use the terminology and constraints defined there consistently. If the file contains no relevant guidance yet, proceed without requiring it to be expanded first.
diff --git a/docs/research/billing-cloudvps-finance-contract.md b/docs/research/billing-cloudvps-finance-contract.md
index 98085f5..af9d26b 100644
--- a/docs/research/billing-cloudvps-finance-contract.md
+++ b/docs/research/billing-cloudvps-finance-contract.md
@@ -97,7 +97,7 @@ opaque credential reference as a substitute for an account ID. A portal
 principal and a Cloud environment are also distinct concepts in this
 repository; a successful bearer request proves access to the latter, not a
 cross-surface identity join.
-([authentication][auth], [project domain terminology](../../CONTEXT.md))
+([authentication][auth], [project domain terminology](../../GLOSSARY.md))
 
 ## `GET /v1/balance_data`
 
diff --git a/docs/research/capability-matrix-regapi-refresh.md b/docs/research/capability-matrix-regapi-refresh.md
index 36aa019..f3e8a65 100644
--- a/docs/research/capability-matrix-regapi-refresh.md
+++ b/docs/research/capability-matrix-regapi-refresh.md
@@ -245,7 +245,7 @@ observed shapes; the public contract does not.
 
 - [`docs/research/regapi2-billing-contract.md`](regapi2-billing-contract.md)
 - [`docs/research/credential-provisioning-capability.md`](credential-provisioning-capability.md)
-- [`CONTEXT.md`](../../CONTEXT.md)
+- [`GLOSSARY.md`](../../GLOSSARY.md)
 
 ## Sources