1. The number of times an individual has ordered within a specific period of time.
  2. The number of times an individual or household is exposed to a given ad message during a given period of time – usually expressed as an average.
  3. In broadcast or print, the number of spots or insertions schedules over a period of time. An individual or household should be exposed to a given message a minimum of three times in any given week.

The expert's thoughts on direct response - growth hacking - performance-based marketing activities - DIRECT MARKETING