When a current phase has multiple targets, they can be scored individually or as a group. "Focus Mode" is for individual scoring.
How to Collect Data in Focus Mode
When a program has multiple current targets, users can score those together or use full-screen "Focus Mode" to score them individually.
In the application, place the program in the blue drawer and tap the program name to open it full screen.
Targets will split out and allow individual scoring.
Viewing Individual Scores Collected Using Focus Mode
Thread's application shows the breakdown of individual targets when the data is collected in Focus Mode: