Curiously, in the days of OpenVMS this was called 'severity' level and was a global system concept [0] related to status code of execution.

Info, Warning, and Error are degrees of Success or Fatal/Severe.

The status would then be logged in a structured manner that shows a facility code, serverity, message.

0. https://h41379.www4.hpe.com/wizard/wiz_3582.html