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 base of a judiciary, as well as the other people who help keep the system running properly.