Kimchi Pr means that BTC/KRW price more expensive than BTC/USD price, so traders can use this, Arbitrage trading.
Satoshi Pr means that alt/BTC price, confirmed BTC /USD price calculate is more expensive than not calculate. so Traders can use this arbitrage trading too.
-the color? lime color = KRW > USD (Kimchi PR) red color = KRW < USD (Reverse Kimchi PR)