HTML stands for Hyper Text Markup Language. An HTML file is a text file containing small markup tags. The markup tags tell the Web browser how to display the page. This collection of pages explains how to use the different HTML document description elements, or tags and how to use these elements to write good, well designed HTML documents. This particular page describes the overall content and organization of the material presented here, reviews some related resources that may be of interest, and describes the meanings of the navigational "buttons" you use to navigate from page to page.