Bacon is delicious, but enough about bacon. So a method on making things telegraph might be a lot of flashing, and an indication on the ground as to where the move is going to be. Also morse code indeed.
It's morse code.Quick! Someone translate it!
EDIT: Nevermind, guys. I got it.
EDIT2: Or Shulk can translate it before me down below being a ninja while I'm editing.