Category: F
Frequency
A term used to describe the number of times the same advertisement is shown to the same visitor during a particular session or time frame. This can be accomplished through the use of cookies or by assuming one visitor = one unique IP address.
Flight
The period of time in which one or more commercials air, usually associated with broadcast media although occasionally used to describe the duration of any type of advertising.
Flash
A software plugin that enables browsers to play multimedia animations. Some rich media advertisements require users to have this plugin.