Downward Communication is a term that refers to the direction of information flow. As the term itself suggests, it is referring more precisely to the downwards flow of information. It, usually follows the organizational hierarchy. Any possible answers are moving along the same path to reach the higher links of the communicational chain.
Zapping
Zapping is a term that refers to a process in which an individual in order not to see any commercials uses the television remote to change to a different channel/s.