17. (Teaching) English is like…
One or a connected string of metaphors for teaching or learning a language being like playing a sport, walking dogs, hunting etc, with ways you can convert that into practical classroom practices
16. Teaching in…
A particular country, a particular kind of school, a particular kind of classroom etc.

And you can see the 15 ideas that did make the cut in the new, improved and comment-allowed TEFL.net article pages here.