Witness - A person called upon by either side in a lawsuit to give testimony before the court or jury.⏎
Subpoena duces tecum - A command to a witness to appear and produce documents.⏎
Sua sponte - Latin, meaning "of its own will." Often refers to a court taking an action in a case without being asked to do so by either side.⏎
Voir dire - Jury selection process of questioning prospective jurors, to ascertain their qualifications and determine any basis for challenge.⏎
Venue - The geographic area in which a court has jurisdiction. A change of venue is a change or transfer of a case from one judicial district to another.⏎