I see lions heads with open mouths

I see What looks like lions heads on columns

A lion's head on a column primarily symbolizes strength, power, protection, and royalty. This symbolism has been consistently used across various cultures and historical periods, though specific nuances can vary:
General Meanings
Strength and Power: As the "king of beasts," the lion inherently represents might, bravery, valor, and dominance.
Guardianship and Protection: Lion sculptures are frequently placed at entrances to temples, palaces, and civic buildings to act as formidable guardians, warding off evil spirits or intruders.
Royalty and Nobility: The regal appearance of the lion has long associated it with kings, emperors, and nobility.
Cultural and Historical Examples
Ancient & Classical Architecture:
Mesopotamia and Egypt: Lions were symbols of kingship and deities. The Sphinx, with a lion's body, represented the protection of the pharaohs.
Greece and Rome: Lions symbolized Roman majesty and conveyed wisdom, courage, and authority. They were used in public fountains and on grand buildings.
The Lion Gate of Mycenae: Here, two lionesses flank a central column, interpreted as guarding the palace entrance.
Dharmic Traditions (India and Buddhism):
The Lion Capital of Ashoka: This famous 3rd-century BCE pillar capital features four lions facing the cardinal directions. They symbolize the Buddha (known as "Lion of the Shakya clan") and his message of peace and the "Wheel of Law" (Dharma Chakra) spreading universally. It is now the national emblem of India, representing modern India's commitment to peace and goodwill.
Hindu Temples: In South Indian temple architecture, mythical leonine creatures called 'Yali' are carved into pillars as fierce, protective guardians of the sacred space.
European Architecture:
Medieval and Renaissance: The lion came to represent Christianity, royalty, and chivalry. It appeared on heraldic shields and flags, such as that of Richard the Lionheart.
Venice: The winged lion is the traditional symbol of the city and its patron saint, St. Mark, and surmounts a prominent column in St. Mark's Square.
British Architecture: In the 19th and early 20th centuries, lion heads were common architectural adornments on civic buildings and banks, signifying Britishness, gravitas, and national pride.
In summary, the lion's head on a column is a powerful, multifaceted symbol that has been consistently employed to project strength, authority, and protective vigilance across diverse cultures and eras.