How you will describe about What are Web Services

[Corona]

I have seen many articles, bolgs and even threads they have used the term "Web Services", everyone has different meaning, so i am confused which means to consider and how it is to be used? so if anyone has specific description about what are "Web Services" please let me know?

[Sachit]

Web services are application components. XML provides a language which can be used between different platforms and programming languages and still express complex messages and functions. Web Services are a general model for building applications and can be implemented for any operation system that supports communication over the Internet. Web services take advantage of the best of component-based development.

[BenTen]

Web services are self-contained and self-describing, Web services can be used by other applications, XML is used to describe webpage content using the application of concealed tags and identifying labels.In other words, Web Services can also refer to technology that's delivered to a consumer or business over the Internet.

[Willard21]

XML is the basis for Web services, A messaging system is a way of passing messages between entities, SOAP is a messaging system. Messaging systems, RPC systems, are useful, XML provides a language which can be used between different platforms and programming languages and still express complex messages and functions, they allow our applications to talk to each other over the network by sending short messages between one another.