This post is about understanding some lower level details about endpoints. As we discussed previously, an endpoint has it’s ABCs. A is for Address B is for Binding C is for Contract Ultimately, Windows Communication Foundation is a framework for building services that process XML messages. The whole point of WCF is for applications to communicate across networks. Windows Communication Foundation (WCF) uses bindings to define how it communicates with other software. The client will need to incorporate the same bindings as in the service.