The structure of an XHTML document.

XHTML can be broken up in several parts (modules):

• Attributes
• Core
  • Structure
  • Text
  • Hyptertext
  • List
• Applet
• Extended Text
  • Presentation
  • Edit
  • Bi-directional Text
• Forms
• Table
• Image
• Client-side Image Map
• Server-side Image Map
• Object
• Frames
• Target
• Iframe
• Intrinsic Events
• Meta
• Scripting
• Style Sheet
• Style Attribute
• Link
• Base
• Name Identification
• Legacy