The document provides a detailed overview of the 'modify configurations' dialog box in SolidWorks, introduced in 2012, which allows users to create and manage configurations for parts and assemblies. It describes various operations that can be performed within the dialog, such as adding, deleting, and renaming configurations, modifying custom properties, and managing parameters for both parts and assemblies. The document also lists limitations of the tool and offers guidance on accessing and utilizing its features efficiently.