📓Terminology

Controller: Account authorized to edit name records, changeable by the registrant or controller.

Label: Component of a name, e.g., 'alice'.

Name: NibID identifier like 'alice.NIBI’, with multiple labels separated by dots.

Namehash: Algorithm generating a cryptographic hash uniquely identifying a name.

Node: Cryptographic hash identifying a name.

Owner: Entity referenced in the registry's owner field, with abilities like transferring ownership and setting resolvers.

Registrar: Contract allocating subdomains, pointed to by the registry's owner field.

Registration: Registrar's record of a user's name ownership, including expiry date and fees.

Registrant: Owner of a registration, able to transfer, set the controller, and reclaim ownership.

Registry: Core contract maintaining mappings from domain names to owner, resolver, and time-to-live.

Resolver: Contract mapping names to resources like cryptocurrency addresses or content hashes.