A has type::string that is ideally unique that can be used for things like HTML node ids and so on.
<graphviz border="frame" format="png" renderer="dot">
digraph character {
rankdir=LR;
node [fontcolor=blue,fontsize=12];
"Property:Key" [URL="Property:Key"];
{ rank=same;
"Template:((#ask: Is relationship of::Property:Key
|mainlabel=-
|?Has name=
|?Has description=
|format=array |propsep=" [URL="Template:((#ask: Is relationship of::Property:Key
|mainlabel=-
|?Has name=
|?Has description=
|format=array |propsep="];"Template:))" [URL="Template:))"];
{"Template:((#ask: Is relationship of::+Has name::Property:Key
|mainlabel=-
|?Is relationship of=
|?Has description=
|format=array |propsep=" [URL="Template:((#ask: Is relationship of::+Has name::Property:Key
|mainlabel=-
|?Is relationship of=
|?Has description=
|format=array |propsep="]};{"Template:))" [URL="Template:))"]};
}
edge [fontsize=9];
"Property:Key" -> "Template:((#ask: Is relationship of::Property:Key
|mainlabel=-
|?Has name=
|?Has description=
|format=array |propsep=" [label="|sep="];"Property:Key" -> "Template:))" [label=""];
"Template:((#ask: Is relationship of::+Has name::Property:Key
|mainlabel=-
|?Is relationship of=
|?Has description=
|format=array |propsep=" -> "Property:Key" [label="|sep="];"Template:))" -> "Property:Key" [label=""];
}
</graphviz>