We hope everything will go swimmingly
Answer:
"Now there came a little 'flutey' bit--very pretty!--a little chain of bright drops. She was sure it would be repeated. It was; she lifted her head and smiled."
It allows the reader to see the action from the perspective of Miss Brill and to see her objectively.
It provides an opportunity for the main character to indulge in imagination.
Miss Brill views social interaction as a stage play.
I think that it the second option. The words were borrowed into English along with concepts they describe. Since ballet was developed and refined in France, in order to make it more universal, the concepts and steps were given the French name. This makes it easier for everyone to come together.
Hope that helps!
@Emanualgarzaoz2bcj
did you get it?