Also, on the note of "you can do everything with Alt-<key>", I'd like to highlight that modifiers such as `:h` (directory part), `:t` (filename), and `:r` (strip extension) etc., is what the article was aimed at when saying you can do more with event-designators.

What you can do with what is always hard to answer given that all roads lead to Rome, though some roads have more turns than others.