You are now in the directory for the port "x11/XFree86" (package name "XFree86-3.1.2").
This is the one-line description for this port:
X11R6/XFree86 version 3.1.2
Please read the file "pkg/DESCR" for a longer description.
Go to the top of the ports tree for a summary on how to use the ports collection.