What is the key distinction between descriptive and prescriptive (normative) claims?

A) Descriptive claims are concerned with how things are, while prescriptive claims focus on how things ought to be.
B) Descriptive claims dictate specific actions to be taken, while prescriptive claims objectively describe observable phenomena.
C) Descriptive claims prescribe ethical guidelines, whereas prescriptive claims describe factual information.
D) Descriptive claims exclusively pertain to scientific observations, while prescriptive claims relate to artistic expressions.