it is named as'khanda' - we call it 'khanda', it has two swords that represents the end of all negative energies and the round shape represents the earth with the long sword representing one god in this universe. its a symbol of a sikh, sikh i dont mean just sikhs, the meaning of sikh is to learn, people who r interested in learning facts are also sikhs so like Om, Cross etc, even Khanda represents being one.