According to the Jo-Hari window model, blind spots C.) SOMETHING THAT THE SENDER DOESN'T KNOW BUT THE RECEIVER DOES.
Blind spots are facts known to others but not known to self.
Although I'm not sure, I do believe it is "Delphic Sibyl". Good luck!
sculptures: you create them by hand, they are physical
photographs: you capture them in electronics, they can't be touched
both: both pieces of art