"KDE 4.0 is the innovative Free Software desktop containing lots
of applications for every day use as well as for specific purposes.
Plasma is a new desktop shell developed for KDE 4, providing an
intuitive interface to interact with the desktop and applications.
The Konqueror web browser integrates the web with the desktop. The
Dolphin file manager, the Okular document reader and the System
Settings control center complete the basic desktop set.
"KDE is built on the KDE Libraries which provide easy access to
resources on the network by means of KIO and advanced visual
capabilities through Qt4. Phonon and Solid, which are also part of
the KDE Libraries add a multimedia framework and better hardware
integration to all KDE applications..."