diff --git a/README.md b/README.md
index 428301c..0cdcc3e 100644
--- a/README.md
+++ b/README.md
@@ -15,6 +15,12 @@ active View. Configure mode supports adding, removing, ordering, sizing, and
 widget-specific settings. Existing browser-only layouts are used as a migration
 fallback until the first server save.
 
+The Dashboard's **Active interface modules** metric and widget count only
+tenant-enabled modules whose WebUI is loaded in the current browser session.
+The Administration module catalogue has a different operator-facing scope: it
+also includes discovered backend-only and headless module manifests. The two
+figures therefore need not match.
+
 Widget providers can declare supported sizes and a small configuration schema:
 
 ```ts
diff --git a/src/govoplan_dashboard/backend/manifest.py b/src/govoplan_dashboard/backend/manifest.py
index 18dd192..cc2af44 100644
--- a/src/govoplan_dashboard/backend/manifest.py
+++ b/src/govoplan_dashboard/backend/manifest.py
@@ -115,7 +115,7 @@ manifest = ModuleManifest(
                 id="dashboard.widget.installed-modules",
                 module_id="dashboard",
                 kind="section",
-                label="Installed modules widget",
+                label="Active interface modules widget",
                 parent_id="dashboard.grid",
                 order=10,
             ),
@@ -129,7 +129,9 @@ manifest = ModuleManifest(
             body=(
                 "Core only provides a minimal fallback home when the dashboard module is absent. "
                 "Dashboard widgets must be contributed through core contracts, not by importing sibling module components directly. "
-                "Personal layouts are stored per tenant, account, and active View."
+                "Personal layouts are stored per tenant, account, and active View. The active interface-module count includes only "
+                "tenant-enabled modules whose WebUI loaded in the current browser session. It intentionally differs from the "
+                "Administration package catalogue, which includes discovered backend-only and headless module manifests."
             ),
             layer="configured",
             documentation_types=("admin", "user"),
diff --git a/webui/src/features/dashboard/DashboardPage.tsx b/webui/src/features/dashboard/DashboardPage.tsx
index 1647c76..79499df 100644
--- a/webui/src/features/dashboard/DashboardPage.tsx
+++ b/webui/src/features/dashboard/DashboardPage.tsx
@@ -505,7 +505,7 @@ export default function DashboardPage({
 
         <div className="metric-grid dashboard-summary-grid">
           <MetricCard
-            label="Installed modules"
+            label="Active interface modules"
             value={modules.length}
             tone="info"
             detail={moduleLabels(modules)}
diff --git a/webui/src/features/dashboard/widgets/InstalledModulesWidget.tsx b/webui/src/features/dashboard/widgets/InstalledModulesWidget.tsx
index 40ff03b..72f988c 100644
--- a/webui/src/features/dashboard/widgets/InstalledModulesWidget.tsx
+++ b/webui/src/features/dashboard/widgets/InstalledModulesWidget.tsx
@@ -11,7 +11,7 @@ export default function InstalledModulesWidget({
   modules: PlatformWebModule[];
   configuration: DashboardWidgetConfiguration;
 }) {
-  if (!modules.length) return <p className="muted">No WebUI modules are active.</p>;
+  if (!modules.length) return <p className="muted">No interface modules are active.</p>;
   const maxItems = clampNumber(configuration.maxItems, 1, 50, 8);
   const showVersions = configuration.showVersions !== false;
   const sortBy = configuration.sortBy === "label" ? "label" : "module";
@@ -37,7 +37,7 @@ export default function InstalledModulesWidget({
           </div>
         )}
       </dl>
-      {remaining > 0 && <p className="muted dashboard-widget-overflow">+{remaining} more active modules</p>}
+      {remaining > 0 && <p className="muted dashboard-widget-overflow">+{remaining} more active interface modules</p>}
     </>);
 }
 
diff --git a/webui/src/i18n/generatedTranslations.ts b/webui/src/i18n/generatedTranslations.ts
index 17743fd..730ce2a 100644
--- a/webui/src/i18n/generatedTranslations.ts
+++ b/webui/src/i18n/generatedTranslations.ts
@@ -6,7 +6,7 @@ const en = {
   "i18n:govoplan-dashboard.library": "Widget library",
   "i18n:govoplan-dashboard.grid": "Dashboard grid",
   "i18n:govoplan-dashboard.widget_settings": "Widget settings",
-  "i18n:govoplan-dashboard.installed_modules_widget": "Installed modules widget",
+  "i18n:govoplan-dashboard.installed_modules_widget": "Active interface modules widget",
   "i18n:govoplan-dashboard.loading_reason": "The saved Dashboard layout is still loading.",
   "i18n:govoplan-dashboard.saving_reason": "The Dashboard layout is still being saved.",
   "i18n:govoplan-dashboard.no_changes_reason": "There are no unsaved Dashboard changes.",
@@ -21,7 +21,7 @@ const en = {
   "Cancel": "Cancel",
   "Save layout": "Save layout",
   "Saving...": "Saving...",
-  "Installed modules": "Installed modules",
+  "Active interface modules": "Active interface modules",
   "Available widgets": "Available widgets",
   "On dashboard": "On dashboard",
   "Layout": "Layout",
@@ -41,7 +41,7 @@ const de: Record<keyof typeof en, string> = {
   "i18n:govoplan-dashboard.library": "Widget-Bibliothek",
   "i18n:govoplan-dashboard.grid": "Übersichtsraster",
   "i18n:govoplan-dashboard.widget_settings": "Widget-Einstellungen",
-  "i18n:govoplan-dashboard.installed_modules_widget": "Widget für installierte Module",
+  "i18n:govoplan-dashboard.installed_modules_widget": "Widget für aktive Oberflächenmodule",
   "i18n:govoplan-dashboard.loading_reason": "Die gespeicherte Übersichtsanordnung wird noch geladen.",
   "i18n:govoplan-dashboard.saving_reason": "Die Übersichtsanordnung wird noch gespeichert.",
   "i18n:govoplan-dashboard.no_changes_reason": "Es gibt keine ungespeicherten Änderungen an der Übersicht.",
@@ -56,7 +56,7 @@ const de: Record<keyof typeof en, string> = {
   "Cancel": "Abbrechen",
   "Save layout": "Anordnung speichern",
   "Saving...": "Speichert...",
-  "Installed modules": "Installierte Module",
+  "Active interface modules": "Aktive Oberflächenmodule",
   "Available widgets": "Verfügbare Widgets",
   "On dashboard": "Auf der Übersicht",
   "Layout": "Anordnung",
diff --git a/webui/src/module.ts b/webui/src/module.ts
index bf76437..25c982c 100644
--- a/webui/src/module.ts
+++ b/webui/src/module.ts
@@ -11,8 +11,8 @@ const dashboardWidgets: DashboardWidgetsUiCapability = {
     {
       id: "dashboard.installed-modules",
       surfaceId: "dashboard.widget.installed-modules",
-      title: "Installed modules",
-      description: "Enabled WebUI modules in this browser session.",
+      title: "Active interface modules",
+      description: "Tenant-enabled modules with a loaded WebUI in this browser session.",
       moduleId: "dashboard",
       category: "Platform",
       order: 10,