1 - An abstract entity used to describe quantity.
2 - A numeral: a symbol for a non-negative integer.
3 - An element of one of several sets: natural numbers, integers, rational numbers, real numbers, complex numbers, and sometimes extensions such as hypercomplex numbers, etc.
1 - To label (items) with numbers; to assign numbers to (items).
2 - To total or count; to amount to.





