What is the primary focus of enhancement packages in SAP systems?

The primary focus of enhancement packages in SAP systems is the continuous improvement of functionality. Enhancement packages allow organizations to adopt new innovations and updates without needing a full system upgrade. They provide access to new features, improved processes, and additional functionalities that are intended to enhance the performance and capabilities of the existing SAP system. This incremental approach ensures that businesses can stay current with technological advancements while maintaining the stability of their core systems.

The other options fall short in this context. While integration with legacy systems, expansion of hardware resources, and the development of new user interface standards may be relevant considerations within the broader scope of system development and maintenance, they do not encapsulate the main purpose of enhancement packages. These packages are specifically designed to facilitate the ongoing enhancement and evolution of SAP functionality, which is crucial for businesses to remain competitive and efficient in their operations.