Literature Reference: Ji of Yanling never forgot his old friends; he took off his precious sword and hung it on the tomb mound.
延: "To extend, to introduce, and to facilitate the attainment of grand achievements, this character is auspicious for garnering fame, fortune, and good luck."
渊: It signifies being imbued with wisdom and imbued with a spirit of enterprise.
Meaning: Yan signifies continuity and depth, while Yuan represents profound wisdom and character.