As with any legal document, you should consult a lawyer for exact interpretations of law. (sfwa.org)
His associations with this memorabilia, however plainly visible, are intentionally obscured from exact interpretation by the rational precision of the grid rendered on top in laboriously hand - drawn linework, allowing him to both reveal and obscure information. (lehmannmaupin.com)
Unfortunately it is also under researched, so exact interpretation of the messages left behind by urine spray is speculative. (fundamentallyfeline.com)