Adding examples to Akri

Author: asergaz

articles/iot/iot-overview-device-management.md

@@ -47,7 +47,7 @@ An edge-based IoT solution can use the following components for asset management
 - *Operations experience web UI* that lets you create and configure assets in your solution. The web UI simplifies the task of managing assets.
 - *Unified registry* that enables the cloud and edge management of assets. Azure Device Registry projects assets defined in your edge environment as Azure resources in the cloud. It provides a single unified registry so that all apps and services that interact with your assets can connect to a single source. Device Registry also manages the synchronization between assets in the cloud and assets as custom resources in Kubernetes on the edge.
 - *Schema registry* that lets you define and manage the schema for your assets. Data flows use schemas to deserialize and serialize messages.
-- *Akri services* that let you deploy and configure connectivity protocols, such as OPC UA and ONVIF, at the edge. Akri services use the asset and asset endpoint resources in Azure Device Registry to model the different device and protocol connections in your environment.
+- *Akri services* that let you deploy and configure connectivity protocols, such as OPC UA and ONVIF, at the edge. The connector for ONVIF is a service that discovers and registers ONVIF assets such as cameras. The connector for OPC UA is a service that connects to OPC UA servers and registers assets such as robotic arms.
 - *Secret Store extension* to sync the secrets down from the cloud and store them on the edge as Kubernetes secrets. Azure IoT Operations uses Azure Key Vault as the managed vault solution on the cloud, and uses [Azure Key Vault Secret Store extension for Kubernetes](/azure/azure-arc/kubernetes/secret-store-extension) to sync the secrets.
 - *Sites* that group Azure IoT Operations instances by physical location and make it easier for OT users to locate and manage assets. Your IT administrator creates sites and assigns Azure IoT Operations instances to them. To learn more, see [What is Azure Arc site manager (preview)?](/azure/azure-arc/site-manager/overview).