What refers to the territory subject matter or people over which a court or other justice agency may exercise lawful authority as a determined by statute or Constitution?

The term that refers to the territory, subject matter, or people over which a court or justice agency can exercise lawful authority is "jurisdiction." Jurisdiction is defined by statutes or constitutional provisions and determines the scope and limits of a court's power to hear and decide cases. It encompasses both geographic boundaries and the types of cases that can be adjudicated.