It defines where elements on a Web page should display, how text should be formatted, and even what color the page background is.

HTML uses “tags” enclosed within angle brackets to "mark up" the text on a Web page. Hundreds of tags have been created to format information. In most cases, tags come in pairs, one acting as a starting point and the other as an ending point, for example:

and

, and . Between these tags, you can add text, images and other content.

 

For example, if you viewed text on a Web page with the following coding, Hello!, you would see the word bolded, like this: Hello! Similarly, this coding, Hello! results in an italicized word: Hello!