What does it mean to believe in Jesus as Lord?

To believe in Jesus as Lord entails recognizing Him as the supreme authority, who possesses and disposes of all things according to His sovereign will. This is illustrated in the title 'Lord,' which signifies His power and control over creation. Romans 10:9 states that if we confess with our mouth that Jesus is Lord and believe in our hearts that God raised Him from the dead, we will be saved. This belief is not merely intellectual assent, but a heartfelt trust and submission to His lordship in every aspect of our lives.