What do you mean by Cardinal Number?
An online cardinal number definition
A cardinal number is a number that defines how many items there are in a group or collection of items.
Typically, an entire group of items is referred to as the set of items and the items within the set are referred to as the elements of the set.
Examples: 6 Friends , 10 Puppies, five coins.These examples does not have fractions or decimals, as it is only used for counting.