Magneto Optical Kerr effects are generally described macroscopically by dielectric tensor theory [Zak et al (1990)], or the effects can also be described microscopically, where the coupling between the electric field of the light and the magnetisation occurs by the spin-orbit interaction [Daalderop et al (1988)]. In the present work the effects are described less formally, in a pictorial fashion, using the idea of a Lorentz force. To understand the magneto optical Kerr effects, one needs to understand the terminologies associated with the effect, how the state of polarisation of reflected light is dependent upon the initial polarisation and the magneto optical geometry in which it is being used.