Question

explain all the domain and how are they useful​

Answer 1

Answer:

Who is Responsible for Domain Name System? Internet Corporation for Assigned Names and Numbers (ICANN) manages the domain names system. It is a non-profit organization that creates and implements the policies for domain names. ICANN gives permission to companies called Domain Name Registrars for selling domain names.

Answer 2

Answer:

domain are usually abbreviations .the are very useful in many fields.