In this chapter:
(1) "Administrative region" means an administrative judicial region created by Section 74.042.
(2) "Presiding judge" means the presiding judge of an administrative region.
(3) "Retiree" means a person who has retired under the Judicial Retirement System of Texas, the Judicial Retirement System of Texas Plan One, or the Judicial Retirement System of Texas Plan Two.
(4) "Active judge" means a person who is a current judicial officeholder.
(5) "Former judge" means a person who has served as an active judge in a district court, a statutory probate court, a statutory county court, an appellate court, or the business court, but who is not a retired judge.
(6) "Retired judge" means:
(A) a retiree; or
(B) a person who served as an active judge for at least 72 months in a statutory probate or statutory county court and has retired under the Texas County and District Retirement System.
(7) "Senior judge" means a retiree who has elected to be a judicial officer under Section 75.001.