This document provides an introduction to HTML (Hypertext Markup Language). It defines HTML as the standard markup language used to describe the structure of web pages. The document outlines key HTML elements like tags and attributes. It provides examples of common tags like <b> for bold text and <form> for collecting user input. It also gives overviews of HTML attributes that provide additional information about elements and different form controls like text boxes, checkboxes and submit buttons. In summary, the document serves as a basic tutorial on HTML structure and tags for creating web pages.