The difference between refined and unrefined coconut oil is the production process and the use of dried or fresh coconut meat. Refined coconut oil has a neutral taste and scent with a higher smoke point. Unrefined coconut oil has a strong coconut taste and scent with a lower smoke point.
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The legal realism approach treats laws as a tool that needs to be regularly reexamined and adjusted. It defines legal rights and legal duties as whatever the courts say they are whereas "natural law" treats laws as evolved to reflect the principles found in nature. It’s a body of unchanging moral principles regarded as a basis for all human conduct.