Provide a protocol for teachers and administrators to use as a common language of instruction for discussion and feedback about improving student learning. (iobservation.com)
The model provides a common language of instruction so that teacher and administrator can be on the same page, working collaboratively toward the mutual goal of steady instructional improvement. (marzanocenter.com)
Once you have a robust language of instruction and [explain] why you're talking about good teaching, then the principal needs to provide feedback using that model. (naesp.org)