What is Distributive Pronoun?

“Each, either, neither are called Distributive Pronoun, which are used to refer persons or things considered individually and not in group.”

OR

We can say simply this

“Each, either, neither are called Distributive Pronoun, which are used to refer persons or things always singular only not in plural or group."

each is refer everyone.
either is refer one or other of two.
neither is refer not the one nor the other of two.