add art comment and adding cloud-based edge-based

Author: asergaz

articles/iot/iot-overview-scalability-high-availability.md

@@ -17,14 +17,16 @@ This overview introduces the key concepts around the options for scalability, hi
 
 # [Edge-based solution](#tab/edge)
 
-The following diagram shows a high-level view of the components in a typical IoT solution. This article focuses on the areas relevant to scalability, high availability, and disaster recovery in an edge-based IoT solution:
+The following diagram shows a high-level view of the components in a typical edge-based IoT solution. This article focuses on the areas relevant to scalability, high availability, and disaster recovery in an edge-based IoT solution:
 
+<!-- Art Library Source# ConceptArt-0-000-032 -->
 :::image type="content" source="media/iot-overview-scalability-high-availability/iot-edge-scalability-architecture.svg" alt-text="Diagram that shows the high-level IoT edge-based solution architecture highlighting scalability, high availability, and disaster recovery." border="false":::
 
 # [Cloud-based solution](#tab/cloud)
 
-The following diagram shows a high-level view of the components in a typical IoT solution. This article focuses on the areas relevant to scalability, high availability, and disaster recovery in a cloud-based IoT solution:
+The following diagram shows a high-level view of the components in a typical cloud-based IoT solution. This article focuses on the areas relevant to scalability, high availability, and disaster recovery in a cloud-based IoT solution:
 
+<!-- Art Library Source# ConceptArt-0-000-032 -->
 :::image type="content" source="media/iot-overview-scalability-high-availability/iot-cloud-scalability-architecture.svg" alt-text="Diagram that shows the high-level IoT cloud-based solution architecture highlighting scalability, high availability, and disaster recovery." border="false":::
 
 ---

articles/iot/iot-overview-security.md

@@ -15,19 +15,20 @@ This overview introduces the key concepts around securing a typical Azure IoT so
 
 # [Edge-based solution](#tab/edge)
 
-The following diagram shows a high-level view of the components in a typical IoT solution. This article focuses on the security of an edge-based IoT solution:
+The following diagram shows a high-level view of the components in a typical edge-based IoT solution. This article focuses on the security of an edge-based IoT solution:
 
+<!-- Art Library Source# ConceptArt-0-000-032 -->
 :::image type="content" source="media/iot-overview-security/iot-edge-security-architecture.svg" alt-text="Diagram that shows the high-level IoT edge-based solution architecture highlighting security." border="false":::
 
 # [Cloud-based solution](#tab/cloud)
 
-The following diagram shows a high-level view of the components in a typical IoT solution. This article focuses on the security of a cloud-based IoT solution:
+The following diagram shows a high-level view of the components in a typical cloud-based IoT solution. This article focuses on the security of a cloud-based IoT solution:
 
+<!-- Art Library Source# ConceptArt-0-000-032 -->
 :::image type="content" source="media/iot-overview-security/iot-cloud-security-architecture.svg" alt-text="Diagram that shows the high-level IoT cloud-based solution architecture highlighting security." border="false":::
 
----
 
-You can divide security in an IoT solution into the following three areas:
+You can divide security in an cloud-based IoT solution into the following three areas:
 
 - **Device security**: Secure the IoT device while it's deployed in the wild.
 
@@ -115,6 +116,8 @@ Microsoft Defender for IoT can automatically monitor some of the recommendations
 
 - **Set up diagnostics**: Monitor your operations by logging events in your solution, and then sending the diagnostic logs to Azure Monitor. To learn more, see [Monitor and diagnose problems in your IoT hub](../iot-hub/monitor-iot-hub.md).
 
+---
+
 ## Next steps
 
 To learn more about IoT security, see: