Making a product available in more than one outlet, but not in as many as are willing to stock it, also referred to as selective selling, see distribution intensity.
The average number of persons passing and potentially exposed to an advertising display for either 12 hours (unilluminated - 6:00am to 6:00pm) or 18 hours (illuminated - 6:00am to ...
A uniform pattern of distributing lights on a Digital Display unit allowing better luminosity and an evenly lit image across the width and height of the board.
The degree of value delivered to an audience relative to its space cost. Usually expressed as either CPM (cost per thousand) or CPP (cost per gross rating point).