Web Services are a standard-based way to provide services through the Internet. A web application can use services offered by multiple servers distributed all over the globe. This method of application building is called SOA (Service Oriented Architecture).
WSDL (Web Services Description Language) is a standard used to define web services. It uses rather complex structures of XML Schema.
SOAP (Simple Object Access Protocol) is a protocol for using web services. Invoking a service means sending the server a request (an XML document) and receiving the server's response (also an XML document).
Tersus contains a wizard to import WSDL definitions of web services as Tersus models. You can then include the imported models in your Tersus application like any other model. At runtime, Tersus invokes the services through SOAP.
Tutorial (with Sample Project)
Full Documentation (Technical)
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