The track played a function to magnetically recorded the data within the magnetic disk and The pie shaped sectors is used to keep fixed amount of user-accessible data, which allow computer users to load the data that they want from one single click.
Marx, Spencer, and Comte all acknowledged the importance of using science to study society, although none actually used scientific methods. Not until Emile Durkheim (1858–1917) did a person systematically apply scientific methods to sociology as a discipline.