As used in this article, the following terms shall have the following meanings:
(1) QUALIFYING PROGRAM. An academic, vocational, risk-reducing, or apprenticeship program approved by the Department of Corrections.
(2) TERM OF INCARCERATION. A continuous period of time during which a prisoner is in the legal or physical custody of the Department of Corrections pursuant to one or more court-imposed sentences starting on the sentence beginning date recorded on the prisoner’s conviction transcript and concluding on the prisoner’s department calculated end of sentence date.