How you can use both online and offline translation in Monterey, including a demonstrating translating Arabic into English.
Language & Region
macOS Help system was last revamped in High Sierra, and has worked well. Until Big Sur has problems finding Help books, and shows some in French. How Help should work.
I have got lost, and ended up trying to set these in the Language & Region pane. Help!
The Eclectic Light Company 