Themes have:
- 404 Template = 404.php
- Archive Template = archive.php
- Archive Index Page = archives.php
- Comments Template = comments.php
- Footer Template = footer.php
- Header Template = header.php
- Links = links.php
- Main Template = index.php
- Page Template = page.php
- Popup Comments Template = comments-popup.php
- Post Template = single.php
- Search Form = searchform.php
- Search Template = search.php
- Sidebar Template = sidebar.php
- Stylesheet = style.css
http://codex.wordpress.org/Using_Themes scroll down to get to the theme structure section.
http://codex.wordpress.org/Theme_Development
http://codex.wordpress.org/Designing_Themes_for_Public_Release
Theme Tools and Other Resources
These tools and resources will aid you in creating and/or enhancing themes.
Layout
- Blog Design and Layout
- Stepping Into Templates
- Customizing Your Sidebar
- Good Navigation Links
- Next and Previous Links
- Styling Lists with CSS
- Creating Horizontal Menus
- Dynamic Menu Highlighting
- FAQ Layout and Design
- WordPress Index Builder
- Photoshop Template for the WordPress Default Theme
Templates and Template Tags
- Template Files
- Stepping Into Templates
- Stepping Into Template Tags
- Template Tags
- Developing WordPress Themes
- The Loop in Action
- Template Tag Layout in simple to read form
- Anatomy of a WordPress Theme
- Templates and the is functions
- Dissection of a WordPress Theme
Tools and Resources
- Designing Themes for Public Release
- Know Your Sources
- Validating a Website
- Finding Your CSS Styles
- CSS Fixing Browser Bugs
- How to convert XHTML/HTML/CSS to Wordpress
- WordPress Design Sandbox Article
- Working On CSS and the WordPress Theme (using a sandbox)
- From XHTML CSS to WordPress (making a Theme}
- Tutorial: How to Create a Wordpress Theme
- Coevolving Innovations guide to Installing Wordpress (including a Theme) on a web host with Fantastico and cPanel (at Wordpress 2.2.1)
- Tutorial: How to Install a Wordpress Theme
- Working with Multiple Themes Outside of the WordPress Installation Directory
- Theme Test Drive plugin to preview themes
Colors, Graphics, and Fonts
- Kubrickr - Changes Default Theme Header Images
- Header Graphics
- Creative Commons Images
- Image * After - Free Stock Image Library
- Free Icons Library
- Stock.xchng - Free Stock Image Library
- Playing With Fonts
- Developing a Colour Scheme
- Colr.org - For Finding Colors in an Image
- I Like Your Colors
- List of More than 70 Free Stock Photo Sites
- kuler - Create color palettes with this web app from Adobe Labs