So the question is "what portion of a balls construction contributes to its motion on a lane"?

Coverstock........____%

Weights (side+ -, top,Bottom, Thumb, Finger).......____%

Core Radius of Gyration(RG)............_____%

Core Differential (Flare) ...............______%

Layout or Drilling style ............_____%

Balance  (extra) Hole .............______%

Any and all answers are welcome for discussion