The act of making a decision or judgment, often implying decisiveness in choosing a course of action.
緊急時には迅速な決断が求められる。
Quick decisions are required in emergencies.
経営者は時に厳しい決断を下さなければならない。
Managers sometimes have to make tough decisions.
彼女の決断はチーム全体に良い影響を与えた。
Her decision had a positive effect on the whole team.