Registrant : The person or group that registers a specific domain name that has the right to use that specific domain name for a time that is agreed upon. The registrant is required to ensure that all fees are paid and all requirements are met.

Registration : The process in which a person or groups acquires a domain name and pays a specified fees and get domain account.

Registry : A unit that is responsible for distributing internet addresses such as Internet Protocol (IP) numbers and domain names. The registry holds a record of each of the addresses web sites.

Root : The top of the Domain Name System hierarchy. Often referred to as the "dot" .

Root server : A system that locates name servers that contain authoritative data for the top level domains.

Renewal : An extension of time period for domain. When the original domain name registration period is over the owner will be given the opportunity to renew the domain name for subsequent years. This is called a renewal.

Reseller : A company/person that sells domain names through registry services provided.

Resolve : The term used to describe the process by which domain names are matched with corresponding Internet Protocol (IP) numbers. "Resolution" is accomplished by a combination of computers and software.