|A Web page typically provides you with information through text, graphics, videos, and sound clips. Links between documents allow you to follow a thread of information from one Web page to another.|7440|4785|1740|3315||5820|6335|0|0|
|Most text links appear as underlined words or phrases. When you point to a link, the arrow-shaped pointer changes to a hand-shaped link pointer.|5325|3970|1365|3315||5820|6335|3|0|
|Some graphics are links, too. When viewing a Web page you can move the pointer over any graphic to see if it changes to the hand-shaped pointer, indicating a link.|5860|3255|1575|3015||5820|6335|1|0|
|The Web changes daily as new pages are posted, old pages are revised, and outdated pages are removed. As these changes occur, some links no longer connect to valid pages.|7515|2925|1665|3150||5820|6335|0|0|
|When your browser cannot connect to a link that you select, it receives a 404 HTTP code and displays a Web page with an "HTTP 404 Not Found" message.|6595|1095|1470|3150||5820|6335|1|0|
|When you've linked to a missing page, use the Back button to return to the previous page where you can try a different link.|1540|570|1245|3150||5820|6335|1|0|
|A Web page can display videos and play sound clips. For the smoothest playback, you should have a fast connection to the Internet.|4525|5700|1365|3090||5820|6335|1|0|
|Notice that links to pages that you have already visited change color to help you keep track of which links you have used.|2070|6595|1215|2835||5820|6335|3|0|