The document discusses audience and audience research. It defines audience as groups of people who engage with media in various ways. It describes different types of audiences like particular, immediate, mediated, universal, ideal, and implied audiences. It then discusses audience research, its need and importance. It explains methods of audience measurement like surveys and people meters. It provides details about Gallup Pakistan, a major audience research agency in Pakistan, and its work measuring television viewership. Finally, it briefly mentions some international audience research agencies.