The density of this object in relatoin to some common materials, listed from less dense to more dense: granite \< slate \< titanium \< steel \< THIS OBJECT \< bronze \< brass \< copper \< silver 1.0 "http://www.skotos.net/MarrachGame/images/MarrachMap0.jpg" "Castle Marrach" "Castle Marrach - Multiplayer Roleplaying Environment" "Marrach" "https://www.skotos.net/user/login.php" 80 0 A tool. However, we can also break this up smaller, for instance, the detail above called "surface" can also be XML'ized as: Or the description examine can be XML'ized: The waist-high upper surface of the anvil is smooth and dark. There are two holes in it: a square hardy hole, and a round pritchel hole. Theoretically (though never done in practice) we could convert a whole game into a single XML file.