Which of the following best describes a feature of the Manageable Span of Control?

A key feature of the Manageable Span of Control is that it determines how many subordinates a supervisor can manage effectively. This concept is crucial within the National Incident Management System (NIMS) because it promotes effective communication, supervision, and coordination during incidents. When the span of control is appropriate, supervisors are better able to maintain oversight, provide necessary support, and ensure that their subordinates are performing their tasks effectively.

This aspect is particularly important in emergency management contexts where efficient decision-making and rapid response are vital. A well-defined span of control helps avoid overwhelming supervisors, which can lead to decreased effectiveness and oversight.

The other choices do not accurately capture the essence of the Manageable Span of Control. For example, limiting the number of levels in an organization pertains more to organizational structure rather than the supervisory effectiveness aspect addressed by the span of control. Ensuring all positions are filled is relevant to operational readiness but does not relate directly to the concept of span of control. Defining how supervisors manage local resources is part of resource management, which is distinct from the relationship between supervisors and the personnel they manage.