The chest supported dumbbell row is an upper body strength exercise that targets the back.
The seated dumbbell shoulder raise is a beginner level upper body exercise that targets the shoulders.
The bat wing dumbbell row is a beginner level Dan John exercise that targets the mid back specifically the rhomboids.
The superman is a beginner exercise that works the muscles in the back of the shoulder, lower back and buttocks. It uses the bench to add an element of instability.