A system of hand signs that the lambs developed to non-verbally communicate with each other.
Is non intuitive with particular signs for concepts and best used with an understanding for the interlocutors mental process.
Mind - three fingers together 
- hard thinking, maths, Academy science, logic, cold analysis - three fingers up tall, all touching
- soft, abstract thinking - fingers down
- thumb in front the three fingers - interpersonal thinking
- thumb behind the three fingers - inspired or artistic thinking
Appellations for various people are based on a combination of signs.