"Helter-skelter" is an idiom; it means: "very quickly, rushed, in a disorganized manner," like:
"On Christmas morning kids usually run down the stairs helter-skelter to get to their presents."
It can also mean: "the state of being hectic." Like:
"The helter-skelter of modern life."
"Kilter" = "In good condition, in working order; proper form."