When you develop a web page, you use HTML to describe what the page should look like and how it should behave.
HTML has dozens of tags and hundreds of tag attributes. The goal of HTML is to take a text document and add tags that tell the browser how to format the text. Below are the tags we use in the next several chapters. If you need a more complete understanding of HTML, we recommend the book HTML & XHTML The Definitive Guide (O’Reilly).
where you put your comments
anchor - usually for putting in a hyperlink
align the contents left, right, centered, or justified
define the boundaries of the document’s body
a line break
center the contents
define a form (which usually provides input fields)
the first level heading
define the boundaries of the document’s header
define the boundaries of the HTML document
defines an input widget to a form
a new paragraph
the HTML document’s title