This is the 8497th most frequent Japanese word.
打ち出す
"打ち出す" means "to announce, present, or launch an idea, policy, or plan."
打ち出す here means 'to put forward' as in presenting or proposing ideas for a specific purpose.
この新しいプロジェクトのためのアイデアを打ち出す必要があります。
We need to put forward ideas for this new project.
打ち出す in this context means 'to announce' as in officially presenting new policies to the public.
政府は新しい政策を打ち出しました。
The government announced new policies.
打ち出す indicates 'to express clearly,' focusing on articulating one's feelings or views prominently.