For the abdomen, find a gym instructor or watch others do it. It is best to fully stimulate the abdomen and do it several times a day.
Chest, straight arm chest clip, butterfly chest clip, bench press, gantry can be used. The best way to reduce body fat is to do more aerobic exercise.
Drain the lactic acid after practice.
There is no professional counseling, no need to make a fitness plan, and novices don't need to make a plan, practice more whole body and less parts. Muscle can grow faster.