+An ordinal describes the position of an element within an ordered [Set](/wiki/Set), marking its place in a sequence rather than its quantity. Unlike a [Cardinal](/wiki/Cardinal) number, which counts "how many," an ordinal answers "which one." It establishes a sense of order.
+## See also
+- [Number](/wiki/Number)
+- [Order](/wiki/Order)
+- [Sequence](/wiki/Sequence)
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