Ambiguity vs. Vagueness
This video presents the same text shown beside it, spoken and on screen. It adds nothing the text does not say.
State
Ambiguous terms have several crisp meanings; vague terms have one fuzzy meaning.
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"Light" (weight? illumination?) is ambiguous. "Rich" is vague — where's the line?
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A term can be both at once. "Fast" — speedy, or abstaining from food? And how speedy counts?