often when I discuss very abstract complicated subjects I use hand gestures to "place" the interlocking concepts under discussion at different positions in front of me while talking, and as I talk I will then refer to these "virtual objects" via gestures as a way of referring back to the previous point where they were brought in and "positioned" in the discussion.
That's a thing in sign languages like ASL. You can establish a person, object, idea, timeline, etc. at a location in signing space, then refer back to it later by pointing. Sort of like spatial pronouns.
Hearing people do a looser version too. I constantly find myself putting abstract ideas "over here" and "over there", then gesturing back at those virtual objects later in the conversation.
Basically: pointing as pronouns.
Put-That-There (1980) was based on exactly this idea:
https://www.youtube.com/watch?v=CbIn8p4_4CQ
>Put-That-There was a gestural interface created in the Architecture Machine Group in 1980.
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