ABS means abdominal exercise which is done to build muscles in the abdominal and is known to increase the strength and endurance of the abdominal muscles. Such type of exercise is useful for improving performance with certain sports, reducing back pain, and for resisting abdominal impacts like taking punches.
Many people had a misconception that abdominal exercises can also reduce the effect on abdominal fat. Well, you are wrong, as per research the abdominal exercise does not reduce abdominal fat. If you want to reduce your fats you need to follow a proper diet. You also need to do walking exercise along with it.
Core Workout means a program which basically includes abdominal and lower back exercise which is done to build muscles in the abdominal and lower back. It has been done to increase the strength and endurance of the abdominal and lower back muscles. This exercise protects your mid-body organ like the stomach, liver, and intestine from hurting due to punches.
Such type of exercise is useful for boosting performance in sports. It also reduces lower back pain. This exercise is done to build your core i.e. abdominal and back and it is going to reduce your fats. For reducing fats, you need to follow a proper diet.