What is the primary purpose of the 'Where used' command in NX?

The 'Where used' command in Siemens NX serves the primary function of locating all instances of a specific component within various assemblies. This feature is particularly useful in large projects where components may be reused across different assemblies. By utilizing this command, users can quickly identify every occurrence and context in which a component is utilized, facilitating better management of assemblies and aiding in the design process.

This capability allows engineers and designers to ensure consistency, address design changes efficiently, and perform impact analysis when updating parts, as they can see where those parts are implemented in the overall assembly structure. In contrast, the other options do not accurately reflect the core function of the 'Where used' command, as they pertain to different aspects of component management and do not focus on tracking component instances within assemblies.