The domain name is used to represent the Internet Protocol (IP) that provides the resources for the personal computer to allow the ACCESSING of the internet.
Domain names are represented from the subordinate level and also called as sub-domains that are under the root domain.
There are three levels of domain names:
Top level domains are used at the top of the hierarchy and provide a way down to the lowest level in the hierarchy.
This consists of gTLDs are also KNOWN as generic top-level domains and used for very generic domain names like .com, .net and .org.
This consists of ccTLD are also known as code top-level domains and used to provide code domains.