initial commits - hybrid pillar

Author: mbender-ms

articles/networking/hybrid-connectivity/hybrid-connectivity.md

@@ -47,7 +47,7 @@ For more information about Azure VPN Gateway, see [VPN Gateway overview](../../v
 
 ## Azure ExpressRoute
 
-[Azure ExpressRoute](../../expressroute/index.yml) provides private, dedicated connectivity between on-premises networks and Azure datacenters. It offers higher reliability, faster speeds, and lower latencies compared to connections over the public internet. ExpressRoute connections can be established through an ExpressRoute circuit, which is a dedicated connection between your on-premises network and an Azure datacenter. ExpressRoute is suitable for scenarios requiring low latency connections and high bandwidth requirements.
+[Azure ExpressRoute](../../expressroute/about) provides private, dedicated connectivity between on-premises networks and Azure datacenters. It offers higher reliability, faster speeds, and lower latencies compared to connections over the public internet. ExpressRoute connections can be established through an ExpressRoute circuit, which is a dedicated connection between your on-premises network and an Azure datacenter. ExpressRoute is suitable for scenarios requiring low latency connections and high bandwidth requirements.
 
 :::image type="content" source="./media/hybrid-connectivity/expressroute.png" alt-text="Diagram showing the on-premises network connecting to Microsoft and Azure services through an ExpressRoute circuit.":::
 

articles/vpn-gateway/vpn-gateway-about-vpngateways.md

@@ -14,6 +14,9 @@ ms.custom: e2e-hybrid
 
 Azure VPN Gateway is a service that can be used to send encrypted traffic between an Azure virtual network and on-premises locations over the public Internet. You can also use VPN Gateway to send encrypted traffic between Azure virtual networks over the Microsoft network. VPN Gateway uses a specific type of Azure virtual network gateway called a VPN gateway. Multiple connections can be created to the same VPN gateway. When you create multiple connections, all VPN tunnels share the available gateway bandwidth.
 
+> [!NOTE]
+> Azure VPN Gateway is one of the services that make up the Hybrid Connectivity cagegory in Azure. Other services in this category include [ExpressRoute](../expressroute/expressroute-introduction.md) and [Virtual WAN](../virtual-wan/virtual-wan-about.md). Each service has its own unique features and use cases. For more information on this service category, see [Hybrid Connectivity](../networking/hybrid-connectivity/hybrid-connectivity.md).
+
 ## Why use VPN Gateway?
 
 Here are some of the key scenarios for VPN Gateway: