An expression asking what to do next or what should be done; a question or consideration about possible actions.
この問題、どうするか?
What shall we do about this problem?
災害時にどうするかを前もって決めておくべきだ。
You should decide in advance what to do in case of a disaster.
明日休むかどうするか、まだ決めていない。
I haven't decided yet whether I'll take the day off tomorrow or what to do.