modes of communication

A "mode" of communication is one way of communicating with people. Cell phones, email, face-to-face conversations, and writing are all examples of "modes of communication".

The word "modes" means "ways" but it's only used for a couple of topics. One of those topics is communication. Another one is transportation:

Trains are far more energy-efficient than cars, planes, and other modes of transportation.

This phrase appears in these lessons: