What do the arrow-shaped symbols in the second ring represent?

Arrow is the symbol of Native American.

Explanation:

To know the meaning of arrow we have to understand the meaning of arrow. In historical period arrow was used as a weapon. It was used in to hunt and for sports. The arrow was divided into three parts the arrowhead, the shaft and the fletching on end of the arrow.

It is considered as the symbol of an native Americans. For the native American it was the tools for hunt, and sports. It is called or symbolized as the symbol of the life.

Arrow means concentration, to reach the goal, for protection, sustenance, moving forward. It has different meaning in every objects.

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