The song "Glory" by Hillsong United speaks about the greatness and holiness of God. It emphasizes that the Lord is powerful and majestic, worthy of our highest praise. The lyrics mention how the Lord's presence fills the temple, signifying His greatness. In the pre-chorus, the song praises the risen king and the Son, acknowledging the glory and honor that belong to Him. The chorus urges listeners to lift up their heads, open the doors, and invite the king of glory into their lives. It emphasizes the desire for God to forever be their God. The second verse continues to highlight the holiness of the Lord, acknowledging Him as the Almighty and encourages all the earth to bow down and recognize Him as Lord over all. Overall, the song aims to exalt and honor God, recognizing His power, glory, and holiness. It encourages listeners to open their hearts and invite Him into their lives, surrendering to Him as their God.