He is known as an excellent correspondent.

I work every day using computer communication.

We have started selling our new products by mail-order and online ordering.

I bought new clothes through mail-order.

He works at a major news agency.

We are working on building a new communications network.

I bought stamps at the post office.

He was tuning the radio, looking for his favorite music.

He was tuning the radio and listening to his favorite music.

The Shonagon Bureau was one of the government agencies in Japan during the Heian period.