WEB SITE
A collection of Web pages.A particular web site is identified by the hostname part of a URL Multiple hostnames may actually map to the same computer in which case they are known as virtual servers.
No, this is not the same thing as a web page. Though the two terms are often used interchangably, they shouldn't be. So what's the difference? Well, to put it simply, a web site is a collection of web pages. For example, Amazon.com is a web site, but there are millions of web pages that make up the site. However, if you mix up the "web page" and "web site", don't worry, most people could care less.
