The circle, a symbol of the world, indicates the international character of the ICRC.
Around the circle we see the Church, which began small and is moving out into all the world, as the ICRC also makes clear. A continuing movement signified in the unfinished, open end.
The cross, a symbol of the Church. At its starting point it is a symbol of Christ's redemptive work for all the world. The cross spans the whole world.
The curved lines also support the dynamic movement in the history of the Church.