What function does hierarchy control serve?

Hierarchy control plays a critical role in data management and user interface organization by determining how data is displayed at various levels of detail. The correct answer focuses on its ability to select the detail level of the displayed data, which allows users to navigate through different layers of information effectively. This means that users can view summarized data or drill down into more intricate details when necessary, facilitating a more tailored data exploration experience.

Having this capability is particularly beneficial in applications like supply chain management, where users often need to analyze data at both high and granular levels to make informed decisions. By adjusting the detail level, users can focus on specific areas of interest without being overwhelmed by excessive information, ensuring that data analysis is efficient and relevant to their needs.

The other options do not align with the specific function of hierarchy control. For example, summarizing data is a result of using hierarchy control but does not capture its primary function. Similarly, creating new data sets or automating data entry processes pertain to different aspects of data management that hierarchy control does not directly influence.