| Subject | English | Finnish |
| comp., MS | control message | ohjaussanoma (An application-readable message requesting the execution of a specific operation on the client side) |
| commun., comp. | Internet Control Message Protocol | ICMP-protokolla |
| comp., MS | Internet Control Message Protocol | ICMP (A required maintenance protocol in the TCP/IP suite that reports errors and allows simple connectivity. ICMP is used by the Ping tool to perform TCP/IP troubleshooting) |
| commun. | power control message | tehonohjaussanoma |
| el. | safety and control message | turvallisuus-ja ohjaussanoma |