| Subject | English | Swedish |
| comp., MS | control message | styrmeddelande (An application-readable message requesting the execution of a specific operation on the client side) |
| commun., comp. | Internet Control Message Protocol | ICMP-protokoll |
| commun. | power control message | effektstyrningsmeddelande |
| el. | safety and control message | säkerhets- ock kontrollmeddelande |