| Subject | English | Arabic |
| comp., MS | domain namespace | مساحة اسم المجال (The database structure used by DNS) |
| comp., MS | flat namespace | مساحة اسم ثابت (A namespace that is unstructured and cannot be partitioned, such as the network basic input/output system (NetBIOS) namespace. In a flat namespace, every object must have a unique name) |
| comp., MS | hierarchical namespace | مساحة أسماء هرمية (A namespace, such as the DNS namespace or Active Directory namespace, that is hierarchically structured and provides rules that allow the namespace to be partitioned) |
| comp., MS | XML namespace | مساحة اسم XML (A collection of names, identified by a URI reference, that are used in XML documents as element types and attribute names) |
| comp., MS | XML namespace prefix | بادئة مساحة اسم XML (An abbreviated form of an XML namespace) |