1. An area of land or property owned and controlled by a private individual or organization, not publicly accessible
The mansion sits on a private domain surrounded by high walls.
A mansão fica em um domínio privado cercado por muros altos.
2. In computing, a domain name registered and owned by a private entity rather than a public organization
The company registered its website on a private domain.
A empresa registrou seu website em um domínio privado.
3. A sphere of personal or private matters not subject to public scrutiny or intervention
Family decisions remain in the private domain.
As decisões familiares permanecem no domínio privado.