PopeLeoXIV...
The genuflection before kissing the hand of a Pope or Bishop is a sign of profound reverence and respect for their office as successors of the Apostles and representatives of Christ. It acknowledges their spiritual authority and the sacredness of their role within the Church. The gesture combines a physical act of humility (kneeling) with a symbolic act of homage (kissing the hand), expressing deep veneration for the person holding such a high position within the Catholic faith.