Literature Reference: 羽书朝继入,烽火夜相望。—— 《平胡》 Reports arrive with the morning, while beacon fires burn through the night. Source from 'Ping Hu'.
烽: Beacon smoke, beacon fires. "Feng" embodies versatility and ingenuity, gentleness and virtue, auspicious in the engineering field, ordinary in middle age, and achieving great prosperity in later years.
火: Burning, urgent.
Meaning: Beacon fires symbolize vigilance and bravery in times of war.