He's saying, just navigate down from /home into public, then data, then audio (say) and under there you will see your HDD folder as a share name... its actually a symlink, but it acts as if it is a directory and your HDD will look like it is mounted directly under /home/public/data/audio.... same for video etc...
and I think merkur2k is being extremely generous when he says that symlinks are equivalent to shortcuts!! actually they are the same as NTFS mount points/junctions, but almost nobody uses those because they are practically unmanageable and invisible!