Compositing in X is taking all the X windows and turning them into a single window so that you can apply special effects to them. These pages discuss compositing in Metacity.

• Metacity/How to enable compositing

• Metacity/How we do compositing (rather techy)

• Metacity/libcm (what it is, why it matters)

• Metacity/The NVIDIA problem

You might also be interested to read:

• How KDE are getting on with it

• Howto

• xcompmgr man page