The HEAD is, well, the HEAD tag. A simply webpage structure should look like this:
Code:
<html>
<head>
<title>The Title of your website</title>
</head>
<body>
Website content here.
</body>
</html>
That's a very, VERY simple website layout...
A good way to learn, is from templates, to see code in action. I would recommend DD's layouts to learn from.
The best way to make a website, is to code it by hand - don't use a program to generate code for you. Webpage files should be opened in a plain-text editor like Notepad or Wordpad. If you get very serious in the web design business - dump Windows and go with either Linux or MAC. If you already use one of those - great!
And always use Firefox, Safari or Opera when building your website. Check out this article...
Welcome to web design! 
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