A website is build in hirachic structure and consists of one or more web pages that relate to a common theme, such as a person, business, organisation, or a subject, such as news or sports.

The first page is called the home page, which acts like an index, indicating the content on the site. Think of a home page as the starting point of a website. Like the table of contents of a book or magazine, the home page usually provides an overview of what you'll find at the website.

From the home page, you can click links to access other pages on the site or other resources on the Web.

Text or graphic hyperlinks hide a URL. Clicking a hyperlink passes the URL to your browser, in other words, changes from document to document (browsing).

Think of the World Wide Web as a vast collection of electronic files stored on millions of computers all around the world.

Hypertext links these files together. Uniform Resource Locators or URLs are the addresses used to locate the files. The information contained in a URL gives you the ability to jump from one web page to another with just a click of your mouse.

When you type a URL into your browser or click on a hypertext link, your browser sends a request to a remote computer, called a web server, to download one or more files. Every URL is unique and identifies one specific file.