Therefore the body's alignment should be set parallel, and not directly at, the target line. You can check your alignment by laying some clubs on the ground. Set one club along your toe line and one a few feet in front of the balls intended flight line. These two shafts should be parallel to one another. If you attend professional golf events, watch the pro's practising on the driving range, you will notice many of them practising in this fashion.
Professionals are aware of the benefits of good alignment.
It gives them feedback as to how their swing is performing. I recommend that you also work on your alignment in this fashion. It will help you have keener awareness of how your swing is performing.