Consider the following statements regarding the meaning of Skewness in a frequency distribution:

Statement I: Skewness is a statistical measure designed to explicitly quantify the degree of left or right asymmetry present in a frequency distribution curve.

Statement II: Skewness mathematically measures the absolute vertical height and peakness of the distribution curve relative to a normal bell shape.

Statement III: A dataset that exhibits absolutely zero skewness is considered perfectly symmetrical.

Which of the statements are correct?