the number 0

0 (zero) is both a number and the numerical digit used to represent that number in numerals. It plays a central role in mathematics as the additive identity of the integers, real numbers, and many other algebraicstructures. As a digit, zero is used as a placeholder in place value systems. In the English language, zero may also be called oh, null, nil or naught
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the Ashoka Chakra

The Ashoka Chakra is a depiction of the Dharmachakra, the Wheel of Dharma (Sanskrit: Chakra means wheel). The wheel has 24 spokes.
The Ashoka Chakra has been widely inscribed on many relics of the Mauryan Emperor Ashoka The Great (Reigned 273-232 BCE), most prominent among which is the Lion Capital of Sarnath and The Ashoka Pillar.
The most visible use of the Ashoka Chakra today is at the centre of the National flag of the Republic [...]

wheels

 

The wheel has also become a strong cultural and spiritual metaphor for a cycle or regular repetition (see chakra, reincarnation, Yin and Yang among others). As such and because of the difficult terrain, wheeled vehicles were forbidden in old Tibet.
The winged wheel is a symbol of progress, seen in many contexts including the coat of arms of Panama and the logo of the Ohio State Highway Patrol.
The [...]

Thrones/ophanim

 

The Thrones (lat. thronus, pl. throni) are a class of celestial beings mentioned by Paul of Tarsus in Colossians 1:16 (New Testament) and related to the throne of God the Father. They are living symbols of God’s justice and authority. According to the New Testament, these high celestial beings are among those Orders at the Christ’s service.The Thrones are mentioned again in Revelation 11:16.
The corresponding order of angels in Judaism is called [...]