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diff --git a/‎01-Docker-Introduction/README.md
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diff --git a/‎05-Docker-Architecture/README.md
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diff --git a/‎06-Essential-Docker-Commands/README.md renamed to ‎05-Essential-Docker-Commands/README.md b/‎06-Essential-Docker-Commands/README.md renamed to ‎05-Essential-Docker-Commands/README.md
@@ -7,3 +7,15 @@
 - What is Docker?
   - Lets have couple of hands-on exercises to understand what is Docker. 
 -  For introduction slides refer the [presentation slides](/otherfiles/presentation/Docker-Fundamentals-v1.pdf). 
+
+
+# Docker Architecture
+
+## Understand Docker Architecture & Docker Terminology
+- What is Docker Daemon? 
+- What is Docker Client?
+- What are Docker Images?
+- What are Docker Containers?
+- What is Docker Registry or Docker Hub?
+-  Refer the [presentation slides](/otherfiles/presentation/Docker-Fundamentals-v1.pdf). 
+