| 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. |