Among the more graphic Christian symbols in the Church are the initials and letters of Christ’s name; the triangle of the Trinity; the circle of eternity; the fish which stands for Jesus Christ, Son of God, Saviour; the eye of God’s omnipresence; the anchor of hope; the rock of faith; the flame of God’s consuming presence; the vine which Jesus named himself—“I am the vine, you are the branches” (Jn 15.5); the alpha and the...