I realize that lists can be filtered by tags, however, is it possible to see tags full list. If not, this would be extremely valuable!
Looking at the title of your post, I see that you want to see tags for each of the items in the list. This is possible if you tag the items using inline hash-tagging in item note (similar to Instagram). Essentially your item descriptions can be something like this
Argentina is the birthplace of Tango #tango #south-america #dance