As used in the Personnel Act:
A. "director" means the personnel director;
B. "board" means the personnel board;
C. "service" means the state personnel service created by the Personnel Act, and includes all positions covered by the Personnel Act;
D. "position" means any state office, job, or position of employment;
E. "employer" means any authority having power to fill positions, in an agency;
F. "agency" means any state department, bureau, division, branch or administrative group which is under the same employer;
G. "class" means a group of positions similar enough in powers and responsibilities that they can be covered by the same qualifications and rate of pay;
H. "test" means a test of the qualifications, fitness and ability, and includes tests that are written, oral, physical or in the form of a demonstration of skill or any combination thereof;
I. "employee" means a person in a position in the service who has completed his probationary period; and
J. "probationer" means a person in a position in the service who is still in the probationary period for that position.