In this subchapter:
(1) “Circuit court” includes proceedings before circuit court judges and commissioners, and all references to circuit court judges include circuit court commissioners.
(2) “Participants” includes litigants, counsel, witnesses while on the stand, judges, and essential court staff, but excludes other interested persons and the public at large.
(3) “Videoconferencing” means an interactive technology that sends video, voice, and data signals over a transmission circuit so that two or more individuals or groups can communicate with each other simultaneously using video monitors.