This principle refers to grouping small elements in order to form a complete, meaningful idea. The clearest example is solving a jigsaw puzzle: we may separate all the same coloured pieces into separate groups so that it's easier to visualize the final image.
Perceptual organisation helps us make sense of reality instead of defining each one of its elements by itself.
satanisim is a religon mutilation is hurting yourself and im a bit confused because the definition of sadism is sexual gratification but im certain it's sadism