Say it in
four clouds

Your team calls the Azure VM an EC2 and the OCI DRG a TGW. That's fine — shared shorthand beats correct-but-slow. This is the lookup table for the moment it stops being fine: when you're in someone else's console, writing someone else's ticket, or reading a bill.

Try

Where the shorthand bites

Most mappings are safe to say out loud. These six aren't — the words line up but the model underneath doesn't, and that's where the outage or the surprise invoice comes from.