"Simple language" is often used as shorthand for "a language in which it is simple to express ideas", rather than "a language with few features". A language can

"Simple language" is often used as shorthand for "a language in which it is simple to express ideas", rather than "a language with few features". A language can, in fact, have many features and still be simple(-to-write-in); or, like Go, it can have so few features that it is complex-to-write-in.