This package contains X.org Client Environments.  It includes
a variety of standard X11 client programs and utilities, such as
the twm window manager, xcalc, the xdm display (login)
manager, ico, xclock and oclock, xclipboard, xset, xlogo, xeyes,
xwd/xwud, xvidtune, startx, xinit, and many others.  It also provides
font utilities and tools for providing information about the server
and clients.  Also cursor icons and other resource files are
included.

xterm is provided by x11/xterm as separate package.