Able to be discovered.
Subject to legal discovery; able to be requested by an opposing party through a legal process such as a subpoena.
Perceptible; able to be perceived.
Able to be treated as fact; real or concrete.
Comprehensible by the mind; understandable.
Touchable; able to be touched or felt; perceptible by the sense of touch.
A physical object; something that can be touched.
Real or concrete results.