Symbol: No Man's Land
No Man's Land is symbolic of the vast uncertainty - and feelings of impending death - many WWI soldiers had to deal with.
Symbol: Artillery
The constant sounds of artillery are symbolic of the constant fear WWI soldiers had to deal with on a constant basis.
Symbol: Dead Bodies
The dead bodies which are littered all across the battlefield of WWI are symbolic of the profound carnage the war caused.
Symbol: Dead Vegetation
The tremendous amount of dead vegetation is symbolic of the profound damage the war did to countries across the world.
Motif: Dead Friends
Nearly every one of the speakers in the film mention that they lost a friend to the war, illuminating the profound cost the war had on the world - and on those who fought in the war.