His cheeks were like roses, his nose like a cherry! What does this mean?

Away to the window I flew like a flash, tore open the shutters and threw up the sash. What does the author mean when he writes "tore open the shutters and threw up the sash"?

Twas the night before Christmas, when all through the house. Not a creature was stirring, not even a mouse. What does "stirring" mean?

When out on the lawn there a rose such a rose such a clatter, I sprang from the bed to see what was the matter. What does clatter mean?

The children were nestled all snug in their beds, While visions of sugar -plums danced in their heads. What does it mean to have :visions of sugar-plums" dance in their heads?

The moon on the breast of the new-fallen snow! Gave the lustre of mid-day to objects below. What does the author mean when he writes the moon "gave the lustre of mid-day to objects below"?

And then in a twinkling I heard on the roof. The praneing and pawing of each little hoof. What does this mean?

And mamma in her kercheif, and I in my cap, Had just settled our brains for a long winter's nap. What does the author mean when he writes they "Had just settled our brains for a long winter's nap"?