I use a pictionary in my class to keep track of the out of bounds vocabulary that is essential to the stories we are creating in the classroom. This out of bounds vocabulary is outside of the core structures that I am teaching on any given day. There is a more detailed description of how it is used in the download!
This is used in my foreign language classroom but I have shared it with teachers in ALL subject areas as it helps so much with vocabulary!
La Maestra Loca