This is a barbed Quatrefoil that stylizes a cross with its barbs, dividing the motif into 4 parts. Cardinal points North, South, East, and West, The Four Winds, The Four Seasons, Four Moon Phases; all groups of 4. The Tetrad is everywhere in Nature.
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While the word "mandala" means different things to different cultures and religions, its usage is quite common across them. Intrinsic in the nature of a mandala is the expression of geometry as a universal language.
This language not only transcends cultures but also humanity itself. Mandalas are occur in nature, from flowers to shells to fruits and vegetables.