| Rating: | 
| The   ratio of listeners to a particular station to all people in the market. | 
| Reach: | 
| The   number of different audience members exposed at least once to a media vehicle   (or vehicles) in a given period. | 
| Readers   per Copy: | 
| A   cost comparison figure used for magazines that estimates audience size based   on pass-along readership. | 
| Response: | 
| The   set of reactions the receiver has after seeing, hearing, or reading a   message. | 
| Receiver: | 
| The target of the message in the   communication process. | 
| Reporter: | 
| Person who gathers and writes up news. | 









