Which aspect is NOT a focus of data flow diagrams?

Data flow diagrams (DFDs) primarily focus on visualizing how data moves through a system, including its origins, destinations, paths, and processing workflows. While DFDs do illustrate processes and the flow of data between these processes, their main purpose is not to represent user interactions explicitly.

The correct answer indicates that user interaction is not a central focus of DFDs. Instead, DFDs concentrate on the flow of data and the systems or processes that handle that data, often depicting inputs, outputs, and data storage locations, rather than the specific interactions that users have with the system. This distinction is critical in understanding the purpose of DFDs, which is to provide a clear and straightforward representation of data flow and processing rather than detailing user interface or user experience elements.

In contrast, tracking data origins and destinations, highlighting paths and storage of data, and mapping data processing workflows are all fundamental aspects of DFDs. They help in understanding and analyzing how information is processed within an organization, making these features central to the utility of DFDs in systems analysis and design. When using DFDs, the emphasis is on the data rather than the user, thereby clarifying their purpose and utility in the context of information systems.