Here is a list of all namespaces with brief descriptions:
  | irr | Everything in the Irrlicht Engine can be found in this namespace | 
  | irr::core | Basic classes such as vectors, planes, arrays, lists, and so on can be found in this namespace | 
  | irr::gui | The gui namespace contains useful classes for easy creation of a graphical user interface | 
  | irr::io | This namespace provides interfaces for input/output: Reading and writing files, accessing zip archives, xml files, .. | 
  | irr::scene | All scene management can be found in this namespace: Mesh loading, special scene nodes like octrees and billboards, .. | 
  | irr::scene::quake3 |  | 
  | irr::video | The video namespace contains classes for accessing the video driver. All 2d and 3d rendering is done here |