diff --git a/SUMMARY.md b/SUMMARY.md
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--- a/SUMMARY.md
+++ b/SUMMARY.md
@@ -2,6 +2,9 @@
 
 * [🏠 Overview](README.md)
 * [🏢 Architecture](architecture.md)
+* [Modules](modules/README.md)
+  * [Social Payments Account Registry (SPAR)](modules/social-payments-account-registry-spar.md)
+  * [Program & Beneficiary Management System](modules/program-and-beneficiary-management-system.md)
 * [📋 Registration](secure-registry/README.md)
   * [Registration Interfaces](secure-registry/registration-methods/README.md)
     * [ODK Collect App](secure-registry/registration-methods/offline-registration.md)
diff --git a/modules/README.md b/modules/README.md
new file mode 100644
index 00000000..f0dc8066
--- /dev/null
+++ b/modules/README.md
@@ -0,0 +1,2 @@
+# Modules
+
diff --git a/modules/program-and-beneficiary-management-system.md b/modules/program-and-beneficiary-management-system.md
new file mode 100644
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+++ b/modules/program-and-beneficiary-management-system.md
@@ -0,0 +1,2 @@
+# Program & Beneficiary Management System
+
diff --git a/modules/social-payments-account-registry-spar.md b/modules/social-payments-account-registry-spar.md
new file mode 100644
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@@ -0,0 +1,5 @@
+# Social Payments Account Registry (SPAR)
+
+## Concept
+
+{% embed url="https://miro.com/app/board/uXjVNDnhJUg=/?share_link_id=870724550921" %}