Context : Mom and her daughter went together to the hair salon. and Mom is telling hair dresser her requirements about daughter's haircut.
Mom : I would like to see some layers around her face to accentuate that fabulous bone structure. Maybe an inch or two off in the back, but leave the length, followed by some honey-blonde lowlights all around.
In this conversation, what does the part in bold mean? Could you turn the sentence into more easier detailed sentence?
In this sentence, how does 'off' work and mean?