Labeling means all labels and other written, printed, or graphic matter:
(1) Upon any controlled substance or any of its commercial containers or wrappers, or
(2) Accompanying such controlled substance.
21 CFR § 1300.01
Any term not defined in this part shall have the definition set forth in section 102 of the Act (21 U.S.C. 802), except that certain terms used in part 1316 of this chapter are defined at the beginning of each subpart of that part.