The term 'Kind of Scale' can refer to three different scales: the Mohs scale, the WAGE scale, and the diatonic scale. The Mohs scale is a scale used to measure the hardness of minerals, with talc being the softest and diamond being the hardest. The WAGE scale is a system used to determine the amount of money paid to employees for their work. The diatonic scale is a musical scale consisting of seven notes that are repeated in different octaves.