What does a system status of PREL indicate about a project or WBS?

When a project or Work Breakdown Structure (WBS) has a system status of PREL, it indicates that at least one subordinate WBS element is released. This status suggests that while the main project or WBS structure is not fully released for execution or funding, some parts of the structure are prepared and approved for further activities.

This status allows for flexibility in project management, permitting initial segments of the project to begin work while the overall project is still undergoing review or preparation. As the project progresses, further elements can be released, allowing for a phased approach to project execution. This status is crucial for managing large and complex projects, where various components may reach readiness at different times.