In the Roman period, the globe, a representation of the spherical Earth, became the main symbol representing the concept. The globe depicted the "universe" (pictured as the celestial sphere ) as well as the Earth.

The Earth: The most fundamental symbol of Gaia is the Earth itself. She embodies the ground beneath our feet, representing the physical world and all its natural elements. Gaia serves as a reminder that the Earth is not just a lifeless sphere but a living, breathing entity that sustains all life.

In Greek mythology, Gaia (/ ˈɡeɪə, ˈɡaɪə /; [2] Ancient Greek: Γαῖα, romanized: Gaîa, a poetic form of Γῆ (Gê), meaning 'land' or 'earth'), [3] also spelled Gaea (/ ˈdʒiːə /), [2] is the personification of Earth. [4] . Gaia is the ancestral mother—sometimes parthenogenic —of all life.

The element Earth in the classical tradition is a symbol one of the Four Elements that make up, build, sustain life. At the same time, it is an allegory and a means of expression for a deeper meaning than physical existence (“native land”, “lying in the ground”, “leveling with the earth”).

Symbol Code: SM000032 Symbol Name: Earth Symbol (Category: Mother Earth ) This is commonly known as a standard planetary symbol for Earth. Logically, the circle symbolizes the globe; the Earth itself.