I think a lot about handwriting and what it is. Here is a hand-written page from “Tinker, Tailor, Soldier, Spy”, by John LeCarre. A physical record of a hand moving in response to — what?
Some formula for an experience he was having. Part of him seeing something in his minds eye and communicating it to this living hand that is taking it all down in a way that can be read right now, this minute.
Handwriting is an ordinary super power.