The words and sentiments of the song give us a warm fuzzy feeling of belonging, belonging because of Christ. Here Paul uses the analogy of the body. The Head of the Church Christ is the head. Consider a thriving reputable industry, where the workers are happy, profits are high, and everyone in the world speaks highly of the industry and its products. An institution with so many positive attributes almost always has a strong, positive, leader.
Strong leadership is reflected in confident followers.
Christ is our leader. Even when things don't seem to going well within the church, we need to refocus and remind ourselves that when Christ is the head, we will always overcome. Setbacks and problems are only temporary. The family, the church, where Christ is head will always triumph. The heart is the attitude of the church.