A single symbol used to make a numeral.
0, 1, 2, 3, 4, 5, 6, 7, 8 and 9 are the ten digits we use in our daily lives.
Example: the numeral 153 is made up of the digits "1", "5" and "3".
Example: the numeral 9 is made up of only the one digit "9".
See: Numeral