3) Human Factor
In another point of view, Shorthand is a medium, which fixes speech and produce Official Literary Record. I think Elemental field is consisted of Two Stages. Grapheme is the world of script materials, and Recognition field consists of Phoneme and Semantics.
Human Factor is very important in Shorthand. In other words, Human Factor is Language Power.
A reporter needs to have Language capability highly constructed, which is orthography and so on.
Intelligence should be formed in deep and wide ranges and Liberal Arts.
Also a writer needs Specialty knowledge enough, for examples, Litigation, Medicine, and Fashion and so on.