What does the term "parametric design" refer to in SolidWorks?

The term "parametric design" in SolidWorks refers specifically to a method where the dimensions and relationships defined in the model determine its geometry. In a parametric design environment, you can adjust parameters—like lengths, angles, and other dimensions—and the model will update automatically to reflect those changes. This means that the geometry is driven by these parameters, allowing for efficient modifications and making it easier to manage complex designs.

For instance, if a designer wants to change the length of a part, they can simply modify the corresponding dimension in the model, and the entire shape will adapt as required by the constraints and relationships set in place. This capability is fundamental to SolidWorks, as it enhances flexibility in the design process and supports iterative design improvements.

Other options describe aspects that do not accurately reflect the core essence of parametric design. For example, focusing on aesthetics or being limited to 2D sketches misses the essential ability of parametric design to link dimensions and relationships in three-dimensional modeling. Also, external drawings dictating parameters do not encapsulate the proactive nature of how parameters drive geometry; rather, it is the internal parameters that maintain control of the design in a solid modeling environment.