How do you state the domains of a set of numbers?

What are the domains from largest to smallest?

There is no largest since there are multidimensional domains. But you would rarely come across domains larger than:... quaternions, complex numbers (set denoted by C), real numbers (R).The set of real numbers can be divided into rational numbers (Q) and irrational numbers. The irrationals are a much larger domain than the rationals.Rationals can then be further divided into Integers (Z).The real numbers and all its subsets can be divided into negative and non-negative, or positive and non-positive subsets. [The difference between these two partitions is where 0 sits].Finally, a domain can consist of any subset of any of these sets.For example: the set {1, 2, 3, ... , 12} is the domain for Month numbers.Or the set {0.1, 0.2, 0.4, 1, 5, 10 and a few other values} are the domain, in kilometres, for running races.