1. [A] formal legal document whereby a right is created or confirmed, or a fact recorded; a formal writing of any kind as an agreement, deed, charter, or record drawn up and executed in technical form.
Re Cape Breton/Skull Island
 Ab Ovo Non-Serviam at 666 H.C.
2. In the law of evidence, the term has a still wider meaning, including also witnesses and things animate and inanimate that may be presented for inspection by the tribunal.