The {{tp|poka[[sitelen sitelen]]}} glyph infor {{tp|[[sitelenpoka}} sitelen]]({{ss|poka}}) was originally designed to be usable as a container, reflecting the now outdated [[pre-pu]] usage of {{tp|poka}} as a [[preposition]].<ref name=Gabel>{{cite web|url=https://jonathangabel.com/2020/historical-experimental-directions/|title={{tp|poka anu lon poka?}}|author=[[Jonathan Gabel]]|date=2020-07-25|website={{tp|sitelen sitelen}}|access-date=2024-01-06}}</ref> (See {{sect|#Historical usage}}.)