| Subject | English | French |
| comp., MS | forest root domain | domaine racine de forêt (The first domain created in a new forest. The forest-wide administrative groups, Enterprise Admins and Schema Admins, are located in this domain. As a best practice, new domains are created as children of the forest root domain) |
| comp., MS | root domain | domaine racine (The beginning of the Domain Name System (DNS) namespace. In Active Directory, the initial domain in an Active Directory tree) |
| avia., Canada, IT | root domain controller | contrôleur de domaine racine |