What is 'Find My' used for?

'Find My' is a service provided by Apple that is specifically designed to help users locate their lost or stolen Apple devices. This feature allows users to track the location of their devices on a map, play a sound to help locate them, put them in Lost Mode to lock the device, or erase the data on the device remotely to protect personal information. One of its key functionalities is leveraging location services when devices are connected to the internet or nearby other Apple devices, thus providing a reliable way for users to find their belongings.

The other options, while relating to various aspects of device management, do not pertain to the primary purpose of 'Find My'. Synchronizing files across devices, tracking screen time usage, and managing app permissions fall outside the scope of this feature, focusing instead on data storage, usage insights, and application controls respectively. Therefore, the primary function of locating devices aligns specifically with option B, establishing it as the correct choice.