Strategy: Strategy refers to a plan or course of action designed to achieve a specific goal. It involves making decisions about where and when to attack or defend, which greatly influences how a war is conducted.
Tactics: Tactics are specific actions taken on the battlefield that contribute to achieving strategic goals. They include things like flanking maneuvers, ambushes, or defensive positions.
Logistics: Logistics is all about managing resources (such as supplies, transportation, and communication) necessary for conducting military operations effectively.