What can be changed in the default values of a project definition?

The correct response highlights that the "Person Responsible" for a project in GFEBS (General Fund Enterprise Business System) can be modified within the default values of a project definition. This capability ensures that the project’s leadership or accountability can be adjusted to reflect changes in management or to align with organizational needs.

In project management systems like GFEBS, having the flexibility to change the responsible person is vital because projects often evolve, and the person overseeing the project's execution may change due to various factors, such as personnel changes or shifts in project scope. Adjusting the individual responsible for a project helps maintain clarity and accountability across the project's lifecycle.

In contrast, elements like the "Project Profile" and "Plant" are typically more fixed parameters that establish the project's overarching structure and location. The project profile often encompasses the essential characteristics of how the project is managed and may not be easily altered after initial setup without significant procedural changes. Similarly, the plant may indicate the operational facility associated with the project, and such assignments usually pertain to the specific operational context of the project. These settings are foundational and not meant to be frequently modified.

Thus, the ability to change the "Person Responsible" aligns well with the need for agility in managing projects, while the other options