1The exchange or transmission of information or signals — e.g. by phone, email, radio, or a data network; also refers to correspondence between people.
夜間に大規模な通信障害が発生し、インターネットが一時使えなくなった。
A large-scale communications failure occurred at night, and the internet became temporarily unusable.
この装置は衛星を使った双方向の通信が可能だ。
This device is capable of two-way communication via satellite.
毎月の通信費を見直して、格安プランに変えた。
I reviewed my monthly phone/data bill and switched to a cheaper plan.
離れて暮らす祖母とは、手紙で通信を続けている。
I keep up correspondence by letter with my grandmother, who lives far away.