| Subject | Portuguese | English |
| commun., el. | circuito virtual com retorno à terra | earth-phantom circuit |
| comp., MS, Braz. | COM virtual | virtual COM (The subsystem that manages COM objects created by application processes running in a virtual environment and prevents conflict with the same objects created outside the virtual environment) |
| comp., MS, Braz. | Conexão com Canal Virtual | Virtual Channel Connection (An end-to-end connection consisting of concatenations of two or more virtual channels between two end points) |
| comp., MS, Braz. | Conexão com Máquina Virtual | Virtual Machine Connection (A feature of Hyper-V that allows a running virtual machine to be managed remotely through an interactive session) |