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Most Web navigation is done by clicking text-based links that open new pages in a Web browser. These links, which are often blue and underlined, are referred to as hypertext, since they allow the user to jump from page to page. Hypermedia is an extension of hypertext that allows images, movies, and Flash animations to be linked to other content.
The most common type of hypermedia is an image link. Photos or graphics on the Web are often linked to other pages. For example, clicking a small thumbnail image may open a larger version of the picture in a new window. Clicking a promotional graphic may direct you to an advertisers website. Flash animations and videos can also be turned into hyperlinks by embedding one or more links that appear during playback.
You can tell if an image or video is a hyperlink by moving the cursor over it. If the cursor changes into a small hand, that means the image or video is linked to another page. Clicking the text, image, or video will open up a new location in your Web browser. Therefore, you should only click a hypertext or hypermedia link when you are ready to leave the current page. If you want to open the link in a new window, you can usually right click the link and select Open Link in New Window.