This is the 351st most frequent Japanese word.
こう
"こう" means "in this way" or "like this".
こう is used to indicate the manner or way of performing the action.
こうやって問題を解きます。
This is how you solve the problem.
こう is used to describe or specify the kind of topics being referenced.
こういう話題について考えたことがあります。
I have thought about such topics.
こう is used to describe the current state or manner of the situation.