Literature Reference: 聿，所以书也。——《说文》；勋，功也。——《尔雅》 'Yu' refers to writing, as stated in 'Shuowen'; 'Xun' means merit, as defined in 'Erya'.
聿: The role of smooth succession.
勋: Medals and decorations symbolize exceptional abilities and a life replete with achievements.
Meaning: Yu signifies writing, while Xun represents merit, symbolizing exceptional talent and great achievements.