order the number systems from most specific (least amount of numbers and innermost circle in the venn diagram) to least specific (most amount of numbers and outermost circle in the venn diagram).
whole number
counting/natural number
integer
rational number

(most to least specific)

counting/ natural numbers- any positive whole number

whole numbers- any negative or positive whole numbers

integers- fractions and decimals that can be written in a/b form

rational numbers- any repeating (repeats the same numbers forever) or terminating decimals (decimals that end)