William-Adolphe Bougueau-frence painter

Actually i didn't understand the theme of these poem,bt it reflect something that i should like or love.

Dust of snow
                                      by Robert frost

The way a crow
     shook down on me
the dust of snow
     from a hemlock tree
  has given my heart
a change of mood
   and saved some part
of a day i had rued.