This is a has type::text property marking the corners of a region. The corners are in lat,lng format, and separated by pairs of colons, for example:
43.2449,-79.8298::43.2437,-79.8252::43.2433,-79.8242::43.2421,-79.8248::43.2422,-79.8258::43.2373,-79.8280::43.2394,-79.8320
<graphviz border="frame" format="png" renderer="dot">
digraph character {
rankdir=LR;
node [fontcolor=blue,fontsize=12];
"Property:Corners" [URL="Property:Corners"];
{ rank=same;
"Template:((#ask: Is relationship of::Property:Corners
|mainlabel=-
|?Has name=
|?Has description=
|format=array |propsep=" [URL="Template:((#ask: Is relationship of::Property:Corners
|mainlabel=-
|?Has name=
|?Has description=
|format=array |propsep="];"Template:))" [URL="Template:))"];
{"Template:((#ask: Is relationship of::+Has name::Property:Corners
|mainlabel=-
|?Is relationship of=
|?Has description=
|format=array |propsep=" [URL="Template:((#ask: Is relationship of::+Has name::Property:Corners
|mainlabel=-
|?Is relationship of=
|?Has description=
|format=array |propsep="]};{"Template:))" [URL="Template:))"]};
}
edge [fontsize=9];
"Property:Corners" -> "Template:((#ask: Is relationship of::Property:Corners
|mainlabel=-
|?Has name=
|?Has description=
|format=array |propsep=" [label="|sep="];"Property:Corners" -> "Template:))" [label=""];
"Template:((#ask: Is relationship of::+Has name::Property:Corners
|mainlabel=-
|?Is relationship of=
|?Has description=
|format=array |propsep=" -> "Property:Corners" [label="|sep="];"Template:))" -> "Property:Corners" [label=""];
}
</graphviz>