diff --git a/src/SUMMARY.md b/src/SUMMARY.md
index aa0c39e..c7259a4 100644
--- a/src/SUMMARY.md
+++ b/src/SUMMARY.md
@@ -57,18 +57,16 @@
   - [Service dependencies](protocols/syndicate/service.md)
   - [Tracing](protocols/syndicate/trace.md)
   - [Transport addresses](protocols/syndicate/transportAddress.md)
-- [Synit schemas]()
-  - [Audio control]()
-  - [Telephony (call and SMS) support]()
-  - [Modem support]()
-    - [Hayes]()
-    - [Samsung Galaxy S7]()
-  - [MIME type support]()
-  - [Network core status and configuration]()
-  - [Sound effects]()
-  - [Time stamps]()
-  - [User interface definitions and interaction]()
-  - [User settings]()
+- [Synit schemas](protocols/synit/index.md)
+  - [Audio control](protocols/synit/audio.md)
+  - [Telephony (call and SMS) support](protocols/synit/telephony.md)
+  - [Modem support](protocols/synit/modem.md)
+  - [MIME type support](protocols/synit/mime.md)
+  - [Network core status and configuration](protocols/synit/network.md)
+  - [Sound effects](protocols/synit/soundEffects.md)
+  - [Time stamps](protocols/synit/time.md)
+  - [User interface definitions and interaction](protocols/synit/ui.md)
+  - [User settings](protocols/synit/userSettings.md)
 
 # Specifications and Theory
 
diff --git a/src/protocols/synit/audio.md b/src/protocols/synit/audio.md
new file mode 100644
index 0000000..6338037
--- /dev/null
+++ b/src/protocols/synit/audio.md
@@ -0,0 +1 @@
+# Audio control
diff --git a/src/protocols/synit/index.md b/src/protocols/synit/index.md
new file mode 100644
index 0000000..fdfd65e
--- /dev/null
+++ b/src/protocols/synit/index.md
@@ -0,0 +1,7 @@
+# Synit schemas
+
+ - Schema definitions: [`[synit]/protocols/schemas/`](https://git.syndicate-lang.org/synit/synit/src/branch/main/protocols/schemas/)
+
+The following pages document schemas associated with the [Synit system
+layer](../../syndicated-actor-model.md) and contained in the [synit Git
+repository](https://git.syndicate-lang.org/synit/synit/src/branch/main/protocols/schemas/).
diff --git a/src/protocols/synit/mime.md b/src/protocols/synit/mime.md
new file mode 100644
index 0000000..6d5e909
--- /dev/null
+++ b/src/protocols/synit/mime.md
@@ -0,0 +1 @@
+# MIME type support
diff --git a/src/protocols/synit/modem.md b/src/protocols/synit/modem.md
new file mode 100644
index 0000000..885dff6
--- /dev/null
+++ b/src/protocols/synit/modem.md
@@ -0,0 +1 @@
+# Modem support
diff --git a/src/protocols/synit/network.md b/src/protocols/synit/network.md
new file mode 100644
index 0000000..fe7f54e
--- /dev/null
+++ b/src/protocols/synit/network.md
@@ -0,0 +1 @@
+# Network core status and configuration
diff --git a/src/protocols/synit/soundEffects.md b/src/protocols/synit/soundEffects.md
new file mode 100644
index 0000000..c858fdd
--- /dev/null
+++ b/src/protocols/synit/soundEffects.md
@@ -0,0 +1 @@
+# Sound effects
diff --git a/src/protocols/synit/telephony.md b/src/protocols/synit/telephony.md
new file mode 100644
index 0000000..f1f42f6
--- /dev/null
+++ b/src/protocols/synit/telephony.md
@@ -0,0 +1 @@
+# Telephony (call and SMS) support
diff --git a/src/protocols/synit/time.md b/src/protocols/synit/time.md
new file mode 100644
index 0000000..0c86047
--- /dev/null
+++ b/src/protocols/synit/time.md
@@ -0,0 +1 @@
+# Time stamps
diff --git a/src/protocols/synit/ui.md b/src/protocols/synit/ui.md
new file mode 100644
index 0000000..3476991
--- /dev/null
+++ b/src/protocols/synit/ui.md
@@ -0,0 +1 @@
+# User interface definitions and interaction
diff --git a/src/protocols/synit/userSettings.md b/src/protocols/synit/userSettings.md
new file mode 100644
index 0000000..3f4ada5
--- /dev/null
+++ b/src/protocols/synit/userSettings.md
@@ -0,0 +1 @@
+# User settings