Simplify the following text for a Grade 12 native English-speaking person.
Original: The term `` judiciary '' is also used to refer collectively to the personnel , such as judges , magistrates and other adjudicators , who form the core of a judiciary ( sometimes referred to as a `` bench '' ) , as well as the staffs who keep the system running smoothly .
Simplified: The term is also used to refer collectively to the judges and magistrates who form the basis of a judiciary , as well as the other people who help keep the system running properly .