The Clue ___ number: all natural numbers and zero
The Answer WHOLE
The term "whole number" refers to all natural numbers, which are the counting numbers like 1, 2, 3, and so on, along with zero. This means that whole numbers include zero and all positive integers. The word "whole" signifies that these numbers are complete and do not include fractions or decimals. Therefore, "whole" is the correct answer to the crossword clue.