Final answer:
The principle of war described in the question is a military principle. It is concerned with directing military operations towards an attainable objective that contributes to strategic, operational, and tactical aims. It shapes priorities and avoids the siphoning of force elements to fragmented objectives.
Step-by-step explanation:
The principle of war described in the question is a military principle. This principle is concerned with directing military operations towards a defined and attainable objective that contributes to strategic, operational, and tactical aims. It shapes priorities and concentrates on theater or campaign priorities, while avoiding the siphoning of force elements to fragmented objectives.