Industry Information

Campaign Statistic Terminology

For first-time advertisers on outdoor some of the terminology can be confusing. We have tried to answer some frequently asked questions below.  

Cover N+1

'N' refers to the population targeted by the campaign. 'N' +1 describes the percentage of the population who have been covered by the campaign (the percentage of the population who have had the opportunity to see the campaign). N + 1 means that the population covered by the campaign have had the opportunity to see the campaign once. N + 2 means that the population covered by the campaign have had the opportunity to see the campaign twice and so on.

Frequency

The number of times someone sees/hears an ad during a campaign.
Average Frequency = (Impacts /Cover)

Illumination

A poster is 'illuminated' if lit from overhead, ground or base ,or rear.

VAC - Visual Adjusted Contact

The score of all adults, pedestrian and vehicular, who will see (make eye contact with) a panel over a one week period.  It is reached by netting down OTS by the visibility factor for each panel and summing the results.

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