Traffic

Traffic is the movement of vehicles and pedestrians on a road, and more
generally also the movement of trains, ships, planes, etc.; with the focus
more on the content than on the vehicle it is also the movement of goods or
information. In addition to considering traffic along a route one may
consider traffic coming and going in a particular locality. In some contexts
"traffic" means commerce.

In telecommunication the term traffic has the following meanings:

  1. The information moved over a communication channel.
  2. A quantitative measurement of the total messages and their length,
     expressed in CCS, erlangs or similar units, during a specified period
     of time.