Answer:
Jargon
Explanation:
Jargons are special words or expressions that are used by a particular profession or group and are difficult for others to understand.
An example is AWOL which is short for "absent without leave," AWOL is military jargon used to describe a person whose whereabouts are unknown.
Therefore jargon is correct.
Answer:
teaching staff refer to professional personnel direct involved in teaching students
Explanation:
A device help people communicate emotions through brain waves
