Which option describes the action where a unit delays the enemy while maintaining a defensive position?

The action that involves a unit delaying the enemy while maintaining a defensive position is best described as "defend." In a defensive operation, units establish positions to protect against enemy attacks while simultaneously working to slow down or stop the enemy's advance. The primary objectives are to hold terrain, prevent enemy maneuvering, and create opportunities for counterattacks or reinforcing friendly forces.

Defending encompasses a range of tactics, including preparing for and executing operations that delay an enemy's momentum through obstacles, strongholds, and coordinating with supporting units. By maintaining a defensive position, the unit can effectively manage enemy movement and exploit vulnerabilities when the opportunity arises. In this context, the term highlights the focus on defense to protect assets and delay enemy forces rather than actively engaging or retreating.