通

通

The Japanese word "通" (tsū) means "pass," "traffic," "communication," or "expert."

通じている here indicates the ability to understand or be familiar with.

彼は日本文化に通じている。

He is well-versed in Japanese culture.

通じています in this case refers to physical connectivity or access.

この道は駅に通じています。

This road leads to the station.

通読しました indicates the action of thoroughly reading through.

私はその本の内容を通読しました。

I read through the content of that book.