Literature Reference: Beacon fires have lasted three months, a letter from home is worth ten thousand in gold. Source from Du Fu's 'Spring View'.
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.
Meaning: The beacon fire symbolizes vigilance and protection, implying alertness and a sense of duty.