My point was that it's not a necessary part of the use of the term.Then what is your point in saying " 'how' isn't a necessary part of the use of term." Particularly in light of your previous statement, "I don't think the "why" of choosing A rather than B is significant in the free will debate."
And "shininess" ---"the state or quality of being shiny; luster; polish" ???? " I don't understand.
Shiny is a metaphor: shiny things catch your eye and hold your attention. For instance, truth is shiny.