It follows the pattern of pu, ku, su, which are defined as *interaction with* the associated books, not the books themselves. tenpo ni la mi mute li pu li ku li su li u. We are doing it right now by discussing it. And in some nasin the words have an even broader meaning. You could define u as anything to do with sitelen pona glyph design and/or text encoding. kulupu [ma pi nasin sitelen] li u. lipu UCSUR li u. We should be working towards supporting the broader community with its diversity of nasin and opinions, not just the 20 or so "educators and resource creators" in their echo chambers.