Theatre Dictionary

I just found this online.  It's too funny not to share!  I don't know who wrote it, but it wasn't me.

Theatre Dictionary
IN is down, DOWN is front
OUT is up, UP is back
OFF is out, ON is in
RIGHT is left, LEFT is right.
A DROP shouldn't and a
BLOCK AND FALL does neither.
A PROP doesn't,
And a COVE has no water.
TRIPPING is okay.
A RUNNING CREW rarely gets anywhere.
A PURCHASE LINE will buy you nothing.
A TRAP will not catch anything.
STRIKE is work (in fact, lots of work).
And a GREEN ROOM, thankfully, usually isn't
Now that you're fully versed in theatrical terms,
BREAK A LEG - but not really!