| Subject | Dutch | English |
| commun. | lokaal loopback-adres | local loopback address |
| comp., MS | loopback-adres | loopback address (The address of the local computer used for routing outgoing packets back to the source computer. This address is used primarily for testing) |
| commun. | loopback-bericht | loopback message |
| commun. | loopback-veld | loopback field |