# Theme Development

A theme is composed of the following pieces

 ThemeDirectory

*  Theme.cfc (The CFC that models and configures your theme implementation)
*  layouts (The folder that contains layouts in your theme)
  *  blog.cfm (Mandatory layout used for all blog views by convention)
  *  pages.cfm (Mandatory layout used for all pages by convention)
  *  maintenance.cfm (Optional used when in maintenance mode, else defaults to pages)
  *  search.cfm (Optional used when doing searches, else defaults to pages)
*  views (The folder that contains views for rendering)
  *  archives.cfm (MANDATORY: The view used to render out blog archives.)
  *  entry.cfm (MANDATORY: The view used to render out a single blog entry with comments, etc.)
  *  error.cfm (MANDATORY: The view used to display errors when they ocurr in your blog or pages)
  *  index.cfm (MANDATORY: The view used to render out the home page where all blog entries are rendered)
  *  notfound.cfm (The view used to display messages to users when a blog entry requested was not found in our system.)
  *  page.cfm (MANDATORY: The view used to render out individual pages.)
  *  maintenance.cfm (OPTIONAL: Used when in maintenance mode)
*  templates (The folder that contains optional templates for collection rendering that are used using the quick rendering methods in the CB Helper. See below for additional information)
  *  category.cfm (The template used to display an iteration of entry categories using coldbox collection rendering)
  *  comment.cfm (The template used to display an iteration of entry or page comments using coldbox collection rendering)
  *  entry.cfm (The template used to display an iteration of entries in the home page using coldbox collection rendering)
*  widgets (A folder that can contain layout specific widgets which override core ContentBox widgets)