Yesterday I knew no lullaby
But you have taught me overnight to order
This song, which takes from your final cry
Its tune, from your unreasoned end its reason;
Its rhythm from the discord of your murder,
Its motive from the fact you cannot listen.
We who should have known how to instruct
With rhymes for your waking, rhymes for your sleep
Names for the animals you took to bed,
Tales to distract, legends to protect,
Later an idiom for you to keep
And living, learn, must learn from you, dead.
To make our broken images rebuild
Themselves around your limbs, your broken
If the child had lived to grow older he would have learned  idioms , that is figurative language to express more complex ideas. In this child’s case it will be a tragic idiom relating to death as a result of the conflict.
Child of Our Time