What are the squares and triangles on clothes in tarot cards? What's the point?

LZ if you really want to know a card carefully, you can't get entangled in one place. You should combine the whole card face to explain the problems you see. There is an angel standing in the middle of this card. Angels are dressed in white robes and have no other decorations except the triangle and square symbols on their chests. In addition to squares, there are triangles, which represent the harmonious world of matter and spirit and reconcile two levels. The whole symbol * * * has seven angles, which are in charge of seven chakras and refer to the energy of seven stars. This symbol is located in the heart chakra, which represents the openness and tolerance of the mind and accommodates the symbolic object of this symbol.