战术 zhànshù tactics

怎么记住“战术”: 战 war + 术 skill = tactics.

汉字

Tactics - the concrete methods for winning a specific engagement - 灵活的战术 (línghuó de zhànshù) flexible tactics.
The lower, hands-on level paired against 战略 (zhànlüè, strategy, the big-picture plan): 战略/战术 is the standard strategy-vs-tactics split.
Widely used in sports, business, and games, not just war.