Here is a list of all namespaces with brief descriptions:
[detail level 123]
  irr | Everything in the Irrlicht Engine can be found in this namespace |
  core | Basic classes such as vectors, planes, arrays, lists, and so on can be found in this namespace |
| gui | The gui namespace contains useful classes for easy creation of a graphical user interface |
| io | This namespace provides interfaces for input/output: Reading and writing files, accessing zip archives, xml files, .. |
 scene | All scene management can be found in this namespace: Mesh loading, special scene nodes like octrees and billboards, .. |
  quake3 | |
| video | The video namespace contains classes for accessing the video driver. All 2d and 3d rendering is done here |
