diff --git a/doc/service_design_intro.md b/doc/service_design_intro.md
new file mode 100644
index 0000000000000000000000000000000000000000..e69de29bb2d1d6434b8b29ae775ad8c2e48c5391
diff --git a/doc/under_construction.md b/doc/under_construction.md
new file mode 100644
index 0000000000000000000000000000000000000000..387d132b2e2add5f8e68916e26935e7a7adb6ca6
--- /dev/null
+++ b/doc/under_construction.md
@@ -0,0 +1 @@
+under construction
\ No newline at end of file
diff --git a/mkdocs.yml b/mkdocs.yml
index ffc874ce2ec3398386b1902880cfca998d4b6e0d..ff9ad760a6601f73b80d451d6c34c86c975647d0 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -71,6 +71,7 @@ extra:
 nav:
   - Overview:
       - Introduction: index.md
+      - OpenSlice deployment examples: under_construction.md
   - Getting Started:
       - Deployment: 
           - Introduction: deployment.md
@@ -78,20 +79,61 @@ nav:
           - Kubernetes: deploymentK8s.md
       - Configuration:
           - Introduction: config_intro.md
+          - Role/Keycloak management: under_construction.md
           - NFV Orchestrator Configuration: nfvoconfig.md
+          - Consuming Services From External OSS: ./architecture/consumingServicesFromExternalPartners.md
+      - NaaS:
+          - Introduction: under_construction.md
+          - Services:
+            - Service Specification: under_construction.md
+            - Service Catalogs: under_construction.md
+            - Service Inventory: under_construction.md
+            - GSMA GST to TMF Service: under_construction.md      
+          - Resources:
+            - Resources Specification: under_construction.md
+            - Resources Catalogs: under_construction.md
+            - Resources Inventory: under_construction.md
+          - Service orchestration:
+            - Introduction: under_construction.md
+            - Service Lifecycle management: under_construction.md
+            - LCM Rules Introduction: under_construction.md      
+            - From Service order to services/resources: 
+              - Exposing Kubernetes services: under_construction.md
+              - Exposing NFV Services: under_construction.md
+          - Supported TMFORUM exposed APIs: under_construction.md
       - Service design:
           - Introduction: service_design_intro.md
-          - Service Catalogs: catalogs.md
+          - Support for Kubernetes:
+            - Introduction: under_construction.md
+            - Exposing Kubernetes Resources: ExposingKubernetesResources.md
+            - Design Helm aaService: under_construction.md
+            - Exposing CRDs_aaS_Example_Calculator: ExposingCRDs_aaS_Example_Calculator.md
+            - HELM Installation aaS Jenkins Example: HELM_Installation_aaS_Jenkins_Example.md
           - NFV Catalogs: nfvcatalogs.md
-          - LCM Rules: lcm.md      
+          - Design NFV Services: under_construction.md
+          - LCM Rules:
+            - Introduction: under_construction.md
+            - Specification: under_construction.md
+            - Typical Examples: under_construction.md
+          - Service Specification Examples: under_construction.md
       - Service Ordering:
-        - Service Inventory: service_inventory.md
-      - OpenSlice management:
-        - Consuming Services From External OSS: ./architecture/consumingServicesFromExternalPartners.md
+        - Ordering Services from catalogs: under_construction.md
+      - Testing services:
+        - Testing Specification: under_construction.md
+        - Testing Catalogs: under_construction.md
+        - Testing Inventory: under_construction.md
+      - Service as a Product:
+        - Product Specification: under_construction.md
+        - Product Catalogs: under_construction.md
+        - Product Inventory: under_construction.md
+      - Assurance services:
+        - Introduction: under_construction.md
         - Alarms and Actions: alarms_actions.md
-      - Terminology: terminology.md
   - Design & Architecture:
       - Architecture: ./architecture/architecture.md
+      - Cloud native support: 
+        - Introduction: under_construction.md
+        - CRIDGE for Developers: CRIDGEforDevelopers.md
       - Message bus: ./architecture/messagebus.md
       - OSOM: ./architecture/osom.md
       - Authentication: ./architecture/oauth.md
@@ -101,5 +143,6 @@ nav:
       - NFV WEB: ./architecture/nfvweb.md
       - Issue management: ./architecture/issuemgt.md
       - Central logging: ./architecture/centrallog.md
-  - Contributing:
+  - Contributing to OSL:
       - Developing: ./contributing/developing.md
+  - Terminology: terminology.md