A '''pinpoint''' is literally the point of a pin. However, figuratively it can refer to something very small or insignificant, or a tiny spot.
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A '''pinpoint''' is literally the [[point]] of a [[pin]]. However, figuratively it can refer to something very small or [[insignificant]], or a tiny spot.
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To ''pinpoint'' something is to mark, locate or describe it in a precise fashion.
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To ''pinpoint'' something is to mark, locate or describe it in a [[precise]] fashion.