Glossary

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G



GEO-DEMOGRAPHIC MAPPING
Method of providing audience as they relate to Out-of-Home locations, both geographically and demographically. Enables plant operators to specify those locations which most efficiently reach target audiences - by age, sex, income, brand preference and purchase behavior profiles.

GLOBAL POSITIONING SYSTEMS "GPS"; GLOBAL INFORMATION SYSTEMS "GIS"
Highly accurate location system which precisely pinpoints structures in terms of exact latitude and longitude using hand-held instruments that communicate with orbiting satellites.

GROSS IMPRESSIONS
Gross impressions refer to the total umber of impression opportunities registered against the target audience by a GRP/Showing.

GRP's "GROSS RATING POINTS" 
GRP's are used in other media and represent a rating point system with duplicated circulation over a period of time. GRP's for Out-of-Home media refer to daily circulation because there is duplicate circulation within the first day. One ting point represents a circulation equal to 1 % of the market population.