Comment by hnlmorg

Not "implies", just "more commonly refers to".

Both usages (graphical and CLI) of the term are correct. Saying "shell" doesn't by itself imply one or the other, even if the technology that is more commonly discussed when we say "shell" is those CLI things in UNIX-like OSs.

A bit like how cars are typically small vehicles with internal combustion engines, but that doesn't mean EVs are not a classification of cars too.