In this chapter:
(1) "Inmate" means a person imprisoned by order of a court, whether the person is actually imprisoned in a facility operated by or under contract with the institutional division or is under the supervision or custody of the parole division.
(2) "Term" means:
(A) the term of confinement in the institutional division stated in the sentence of the convicting court, if the inmate is serving a sentence for a single offense;
(B) the term of confinement established by Section 508.150, if the inmate is serving two or more sentences consecutively; or
(C) the longest term of confinement in the institutional division stated in the sentence of the convicting court, if the inmate is serving two or more concurrent sentences.