之: "之乎者也," auxiliary particles, when used in personal names, often refer to someone with exceptional literary talent, profound knowledge, and deep cultural understanding. This character "之" is believed to aid in enhancing one's learning fortune.

武: "Mighty and Majestic," often used in boys' names, embodies the essence of strength, robustness, and a formidable physique. This character is believed to promote physical fortitude and ensure a safe and secure life.