binding question - what is "facing" a binding??

I have done a facing quite often - it does work beautifully. It is just
like garment facing. I did not do it quite the way it is described
here, but not significantly differently.
The time, though, when facing comes into its own is when your quilt is
not square or rectangular. I did a small quilt with a very 'strange'
edge shape for my brother. You then trace the uneven edge onto fabric
(or paper if you want to make a pattern first). I used the pattern edge
as my master and traced onto the fabric. I then cut this out about 2.5"
away from the drawn edge (inwards) and a bit more than a quarter inch
(outwards). I used more than a quarter inch for the seam allowance so
that it would turn to the back more easily. (I do it this way for
square and rectangular, but you don't have to for them).
..
In message , mini Mini
writes
hi,
while surfing i came across this site with quilting tips. but this tip I
don't quite understand. Can someone explain what this is about?

"Stuck trying to figure out what color to use for a binding? Don't want to
detract from the quilt but don't have enough of the border fabric so that
the binding won't show? Remember you don't have to add a binging, you can
use a facing instead! Just cut your strips 2" wide, do not fold in half,
sew on to the front as you would a binding, BUT clip the strip at the
corner and PIVOT with needle down to continue sewing the next side. Then
turn the whole thing to the back, mitering the corners, folding under about
1/4" and hand sewing the facing to the back. If you like, you can use
monofilament thread (clear or dark, whatever suits your border color) and
top stitch very close to the edge to keep the facing turned to the back!
Voila! Your quilt is "un-binded"! Or as my kids used to say "VIOLA"."

quoted from:
http://www.bettyalofs.com/free-tips-details.php?ID=12

tia,
Emilia

--
Best Regards
pat on the hill