Memorandum of Understanding. Usually the precursor to a contract and legal enough for a hire because it is in itself and agreement between two parties.
Google is awesome.....
Memorandum of understanding - Wikipedia, the free encyclopedia
There's some in and around Stillwater who think that Gundy has told Ok. State officials he's staying. That chatter seems to be growing it's coming from the sideline reporter from Oklahoma State.
I think that he is likely going to stay at Oklahoma State. I'm looking for confirmation from my own source at this point.