Records are old fashioned method of storing and playing music that were disks with groves to play music the disk was span on a table with a needle riding in the grooves
i believe your simile refers to the high rpm the disk was subjected to when playing music whatever object the simile refers to is spinning around an axis rather quickly
Many people have been killed their and crossing the path is a reminder of that.
Answer: the theme of the story is: power, domination, & subjugation into logically compelling denouement
Explanation: BIG BRAIN!!
"she" would be the pronoun.
You can rewrite this question as "She is your best friend?"
So in that case, "she" would be the subject.
In English, you just switch around "is" and the subject to make a question and make it sound Englishy
PS in Italian (and probably other languages) you would just say "She is your best friend?"