--- /dev/null
+<html>
+<head>
+<title>Policies for indexing categories</title>
+</head>
+<body>
+<h1>Policies for indexing categories</h1>
+
+There are two kinds of policies:
+<ul>
+ <li>Path policies are based on the path of the category.</li>
+ <li>Ordinal policies are based on the ordinal of the category.</li>
+</ul>
+
+Policies are "consulted" with during indexing, for deciding whether a category should
+be added to the index or not. The two kinds of policies can be used for different purposes.
+For example, path policies dictates which categories can participate in a drill-down operation,
+while ordinal policies affect which can be accumulated (e.g. counted).
+
+
+</body>
+</html>
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