Warfare refers to the use of military force and tactics by opposing sides in a conflict or war. It involves the deployment of armed forces, strategies, and weapons to achieve specific objectives such as territorial control, resources, ideology, or power. Warfare can be conducted on land, sea, air, or even space, and it often results in significant loss of life and destruction of property. The term warfare also encompasses the psychological, economic, political, and social aspects that contribute to the outbreak and continuation of conflict between nations or groups.