See also: Footprints, Census
CIMM DEFINITION: Larger than a footprint.
2: It is the defined population to which the STB measurement applies. (Source: TRA)
3: According to Rentrak it is the larger population than a footprint to which the data processor is projecting. (Source: Rentrak)
4: See census. (Source: TIVO)
5: The total population of audience being measured. (Source: IAB)