Literature Reference: 梓，木也，炀，火也。—— 《说文解字》 Zi refers to wood, Yang refers to fire. Source from 'Shuowen Jiezi'.
梓: The tree name, known as the Catalpa.
炀: The flames blaze fiercely, melting all in their path.
Meaning: Zi symbolizes resilience and growth, while Yang signifies passion and brightness.