(b) (1) “Jury commissioner” means an individual who is designated under a jury plan to manage jury selection and service.

(2) “Jury commissioner” includes an acting jury commissioner who is designated in accordance with a jury plan.

(c) “Jury plan” means a plan that the circuit court for a county adopts under this title to govern jury selection and service for the county.

(d) “Prospective juror” means an individual whose name is selected from a source pool but who has not yet been screened for disqualification, excusal, or exemption.

(e) “Qualified juror” means an individual who, after selection as a prospective juror, is not disqualified, excused, or exempted.

(f) “Source pool” means a pool from which the name of each prospective juror is to be selected as provided under a jury plan.