A content management system supports the :- 

• Creation.
  
• Management.
  
• Distribution.
  
• Publishing of the content.

It covers the complete life cycle of the pages of your site :- 

• From providing tools to create content
  
• Through to publishing and
  
• Finally to archives. 

It also provides the ability to manage :- 

• The structure of the site
  
• The appearance of the published pages and
  
• The navigation provided to the site visitors.