For the purposes of this article, the following words shall have the following meanings:
(1) QUALIFIED DEPOSITORY FOR TEXTBOOKS or QUALIFIED DEPOSITORY. A facility in the state responsible for receiving orders for, storing of, and distribution of textbooks pursuant to Section 16-36-71.
(2) TEXTBOOK. Includes digital textbooks, as defined in Section 16-16B-2. Digital textbooks shall be recommended, adopted, and purchased in the same manner as provided for textbooks under this article.