Lingam with Yonibase
According to Hindu scriptures (like the Shiva Purana), the lingam represents an endless pillar of fire or light with no beginning and no end, signifying Shiva's supremacy over other gods
Traditional interpretations also view the lower square base as Brahma (the creator), the middle octagonal part as Vishnu (the preserver), and the top rounded pillar as Shiva (the transformer/destroyer).
The Shivling is considered powerful because it symbolizes the formless, infinite, and all-pervading Supreme Consciousness behind the universe rather than a standard idol, it represents the cosmic pillar of light, the union of masculine and feminine creative energies (Shiva and Shakti), and the eternal cycle of creation and dissolution.
