Which of the following best describes 'settings' in an application?

The concept of 'settings' in an application refers primarily to configurations that allow users to customize and alter various aspects of how the application functions and displays information. These settings enable users to modify features that affect their interaction with the application, such as adjusting preferences, toggling features on or off, or changing display options. This flexibility enhances user experience by allowing individuals to tailor the application to their specific needs and preferences.

While personalized themes can be a part of an application's settings, they represent just one aspect of the broader category that encompasses various configuration options. Stored files and documents pertain to the content managed by the application rather than the application itself. The history of user actions refers to logging and tracking activities within the application, which does not directly relate to altering the user interface or functionality. Overall, the essence of 'settings' captures the ability to directly influence how the application behaves and appears to users.