In this title the following words have the meanings indicated. “Board” means the State Board of Chiropractic Examiners. “Chiropractor” means an individual who practices chiropractic. “Direct supervision” means supervision provided by a supervising chiropractor who is personally present or immediately available where the procedures are performed to give aid, direction, and instruction when certain procedures or activities are performed. “License” means, unless the context requires otherwise, a license granted by the Board: To practice chiropractic; or To practice chiropractic with the right to practice physical therapy. “Licensed chiropractor” means, unless the context requires otherwise, a chiropractor who is licensed by the Board to practice chiropractic or to practice chiropractic with the right to practice physical therapy. “Practice chiropractic” means to use a drugless system of health care based on the principle that interference with the transmission of nerve impulses may cause disease. “Practice chiropractic” includes the diagnosing and locating of misaligned or displaced vertebrae and, through the manual manipulation and adjustment of the spine and other skeletal structures, treating disorders of the human body. Except as otherwise provided in this title, “practice chiropractic” does not include the use of drugs or surgery, or the practice of osteopathy, obstetrics, or any other branch of medicine. The definition of “practice chiropractic” does not prohibit a chiropractor from selecting diet and hygiene measures for an individual. “Practice physical therapy” has the meaning stated in § 13–101 of this article. “Preceptorship” means an organized system of clinical experience that allows a student enrolled in a chiropractic program of study to be paired with a clinical preceptor for the purpose of attaining specific learning objectives.