Quick*Views is a web-based service from Nielsen Monitor-Plus that provides instant access to U.S. advertising expenditures information in a clear, concise, flexible format.  Quick*Views makes it easy to generate reports on national competitive ad spending and provides trending capabilities covering the most recent six years, for all 16 media categories.

Source:
http://www.nielsenmedia.com/glossary/
http://www.arbitron.com/downloads/terms_brochure.pdf