What's the difference between a web designer and developer?

What is the difference between web designer and web developer?

Web design is the designing and graphical presentation of content shown on the Internet in the form of Web sites and other Web applications using many different forms of media. The basic design of most pages on the Web use HTML, CSS, and the newest form of language, XHTML. Many sites today also integrate various forms of dynamic, interactive content using E-Commerce, and server-side languages such as PHP (Hypertext Preprocessor), and ASP. Web design contrasts with Web development, which includes Web server configuration, writing Web applications, and server security.

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A web developer is a software developer or software engineer who is specifically engaged in the development of World Wide Web applications, or distributed network applications that are run over the HTTP protocol using an HTTP server, a web server, and an HTTP client, a web browser. Web developers can be webmasters who handle website administration and web design as well as web application development or can simply be web application developers. Web developers are formally in charge of web development within their respective organizations or also as freelance software developers

Wed designer provide the graphical presentation to the site and devloper provide the wed application and work on internal parts of the system which run the application on the internet.