Aroma- the definition or "aromatic" is having fragrance or aroma.
I honestly have no idea what that is
"Like sparks from a blacksmith's window" refers to the sparks that happen when a blacksmith is working. The meaning depends on the context. The context should usually be something like anger, exploding anger, or it could be excitement...
Maybe the answer is in oregon, I'm not exactly sure.
Collected amount; the sentence is saying that dance costumes from over the years eventually busted out from her closet.