This document contains definitions of common radio industry terms related to broadcasting, programming, production, and audience research. It defines terms such as deejay, drive-time, hype, jingle, mix, narrowcasting, playlist, production, psychographics, punch, reach, spots, station identification, talent, talk radio, time spent listening, total survey area, transmit, turnover, voice-over, and volume control. The glossary provides concise explanations of important audio and radio broadcasting concepts.