Some examples of meta tags you can use

This is added automatically
<meta http-equiv="Content-Type" content="text/html; charset=">
Description of site
<meta name="description" content="This page aims explain meta tags, how to insert them and the various sorts">
Keywords used on page
<meta name="keywords" content="META tags, inserting META tags, editing META tags">
Creation Date
<meta name="creation date" content="06/09/2001">
E-Mail Contact
<meta http-equiv="reply-to" content="davidfelgate@fire-bug.co.uk">
Author
<meta name="author" content="david Felgate">
Program used to create
<meta name="generator" content="Dreamweaver 4">
Copyright notice
<meta http-equiv="copyright" content="David Felgate 06/09/2001">
Refresh tag forces reloading after time span
<meta http-equiv="refresh" content="800">

Look up META in the REFERENCE section in Help or look up META in the 'Using Dreamweaver ' section of Help

An Example of a head section with meta tags

<title>LSW Index</title>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
<title>Learn South West free IT learning</title>
<meta name="Description" content="This is a site for users to learn web design, find resources and to help people make high quality web pages using Macromedia Dreamweaver and Microsoft FrontPage." />
<meta name="Keywords" content="DreamweaverMX Dreamweaver4 design resources FrontPage Dreamweaver webring webpage design software help online games free resources" />
<meta http-equiv="refresh content=360" />
<meta name="author" content="David and Ben Felgate" />
<meta name="creation date" content="01/01.2003" />
<meta http-equiv="replyto" content="admin@learnsouthwest.co.uk" />
<meta name="generator" content="DreamweaverMX" />

Have a look at some other head sections taken from the Internet

Inserting META tags using the Insert Bar (Objects Panel in DW4)

Look at the diagram below that explains the elements added from the HEAD section of the Objects Panel

Base Content: this is another head tag specifying a base URL.

Use the Base element to set the base URL that all document-relative paths in the page are considered relative to