METHOD AND COMPUTER PROGRAM FOR RECEIVING, MANAGING AND OUTPUTTING USER-RELATED DATA FILES OF DIFFERENT DATA TYPES ON A USER-ITERFACE OF A DEVICE AND A DEVICE FOR STORAGE AND OPERATION OF THE COMPUTER PROGRAM

Each of a plurality of user-related data files is managed in one of at least one data group based on at least one predefined criterion. The at least one data group has a respective predefined group output characteristic. A data group is selected based on the predefined group output characteristic on one side and a physical position of a device on the other side. The outputting of the user-related data file of the selected data group is based on the respective predefined data output characteristic and on a physical environment.