The descripton is accurate, after all CDs are laser discs, but using one
doesn't burn a hole in you! It refers to the innards of the device.
"Floppy" refers to the disk itself which is nonrigid, and is pinched between
the reading-heads to hold it in one place while the data is extracted. It's
basically a sheet of magnetic tape, same stuff as you'd find in a cassette.
Hard-disks OTOH are made of glass or aluminium and are self-supporting. The
heads don't in fact contact a hard-disk, they 'fly' a few microns above its
surface owing to the head having an aerofoil shape.
Perhaps the greatest paradox is that to install a Serial-ATA hard-disk you
need a floppy drive. Yet, you generally find SATA disks in new computers. The
same ones that don't have...