What controls the visibility and graphic display of an element based on its phase status?

The visibility and graphic display of an element based on its phase status is controlled by the phase filter. Phase filters in Revit allow users to define how elements from different phases of a project are displayed in terms of visibility, line styles, and colors. This is particularly useful in renovation projects where distinguishing between existing, demolished, and new elements is crucial for effective communication of design intent.

When a phase filter is applied, it determines how elements appear depending on the phase they are associated with, whether they are part of the existing construction, represent past work to be demolished, or indicate new additions. This capability helps ensure that everyone involved in the project has a clear understanding of the sequence of construction activities and the relationship between different elements throughout various phases.

The other concepts, while relevant to Revit's functionality, do not directly control visibility and graphic display based on phase status. Graphic overrides might affect appearance but are more general and not specifically tied to phases. The phase itself is merely a designation of time in the project lifecycle, and worksets are used for managing design collaboration but do not influence how elements are displayed based on their phase.