Its not exactly the meaning of the speech, but the meaning of the time it was said. War time. Uncertain times, damaging times, and people growing and healing in the middle of it all or after.
Its a metaphor.
An analogy of deep healing and growth despite anything happening around, despite anything that we might have faced, its a return to the womb to be reborn, with hope. Physically + +
But its primarily to heal physical wounds, fresh scars etc, skin problems etc. Again a metaphor of wounded warriors physically. :)