diff --git a/IoT/SensorNode2Server.adoc b/IoT/SensorNode2Server.adoc
index c32cb4d..5be3c53 100644
--- a/IoT/SensorNode2Server.adoc
+++ b/IoT/SensorNode2Server.adoc
@@ -419,10 +419,22 @@ composer require guzzlehttp/guzzle
 
 == IoT Server
 
+.Imaging a swarm
+image:./Swarming2.gif[alt="Swarm"]
+
+
+.Architecture of swarm communication
+image:./Swarming2.gif[alt="Swarm Gateway"]
+
+- Red Note: Sensor Node and Gateway Role
+- Black and Red Note:  Sensor Node - Client
+
 === NodeJS
 
 ==== Gateway
 
+Gateway forwards ore Client Data to the correct application - Server
+
 .NodeJS code in Raspberry Pi - Server Gateway
 [source,c]
 ----
@@ -489,7 +501,12 @@ app.listen(9089, function () {
 
 ----
 
-==== Broadcast
+==== Server - Broadcast
+
+
+Broadcast data to swarm clients
+
+The server receives data from its client and echoes its back.
 
 .NodeJS code in Raspberry Pi - Server broadcast
 [source,c]
@@ -542,6 +559,9 @@ io.on('connection', (socket) => {
 
 ==== Client Connection Raspberry
 
+Swarm client recieves data 
+
+
 .NodeJS code in Raspberry Pi - Client
 [source,c]
 ----
diff --git a/IoT/Swarming2.gif b/IoT/Swarming2.gif
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index 0000000..e47014f
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diff --git a/IoT/swarmlabn-1.png b/IoT/swarmlabn-1.png
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index 0000000..d7a41f9
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