For a school project, I have to present a a brief oral analysis of this Sara Teasdale poem, but I am not sure of the theme or symbolism. Any ideas?

A Winter Night

My window-pane is starred with frost,
The world is bitter cold to-night,
The moon is cruel, and the wind
Is like a two-edged sword to smite.

God pity all the homeless ones,
The beggars pacing to and fro.
God pity all the poor to-night
Who walk the lamp-lit streets of snow.

My room is like a bit of June,
Warm and close-curtained fold on fold,
But somewhere, like a homeless child,
My heart is crying in the cold.

Sal, this background info. on Sara may be of some help:

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Les