In this chapter, unless the context or subject matter otherwise requires:(1) “Flight” or “fled” means any voluntary or involuntary departure from the jurisdiction of the court where the proceedings hereinafter mentioned may have been instituted and are still pending, with the effect of avoiding, impounding, or delaying the action of the court in which said proceedings may have been instituted or be pending, or any such departure from the state where the person demanded then was, if he or she then was under detention by law as a person of unsound mind and subject to detention.
(2) “State” means states, territories, districts and insular and other possessions of the United States.
(3) “Justice of Supreme Court of District of Columbia” as applied to a request to return any person within the purview of this chapter to or from the District of Columbia shall be included and have the same meaning as the terms “executive authority,” “governor,” and “chief magistrate.”