what about hand signals?
(
Wildheart Baby. Drunken Mess In A Good Way, Sun 28 Jun 2009, 22:20,
archived)
they're not words, they're gestures
which, while being valid communicative methods, fall outside the fields of linguistics I'm familiar with. But they're useful if your indicators don't work.
(
Grrrmachine the indifference engine, Sun 28 Jun 2009, 22:22,
archived)