Price discount offered to advertisers who purchase a specified volume of advertising from the TV station. Volume discount deals may be negotiated in various ways. Common examples are volume discounts based on (a) total TV advertising spend on TV station by advertiser, (b) proportion of TV advertising budget allocated to the TV station, (c) year on ... Found on http://www.agbnielsen.net/glossary/glossaryQ.asp?type=alpha&jump=none