When sketching in context of the assembly, what should the Selection Scope list be set to so that you can reference geometry from one part to another?

To reference geometry from one part to another while sketching in the context of an assembly, it is essential to set the Selection Scope list to "Entire assembly." This allows you to access and utilize geometry from any component within the assembly, providing greater flexibility and functionality during the sketching process. By having the entire assembly accessible, you can create references and constraints that link components together effectively, ensuring precise alignment and interaction between parts.

The other options restrict the selection scope and therefore limit the ability to reference geometry across multiple components. For example, selecting "Within Active Sketch only" means you can only reference geometry already defined in the current sketch, which can hinder the integration of multiple parts. "Within Work Part" would limit references to only the active component being worked on. Choosing "Beyond Active Sketch" allows for some external references but still does not encompass the entire assembly, which is necessary for comprehensive assembly design work.