You put in special tags that instruct a web browser how to display the information contained in the file. For example, you may want to have some words of text displayed in bold font. So you would mix your text with the special tags. As you examine files, you will notice that starting a new line in the HTML document does not result in the start of a new line on the Internet Explorer screen. Internet Explorer formats the text to fit the screen width.
Many tags come in pairs, such as the tags to indicate the start and end of bolding.
The ending tag generally includes a slash. Go to the Useful Links section of the CS100 web pages for some references on the HTML tags that are available. You can find many more references on the Internet, and there are a host of books available in any bookstore on the topic. There's an excellent little blue HTML guide that comes with your textbook. What many people do when they see an interesting web document, is to go to the Internet Explorer View menu and select Source .