--- a/rdf-primer/index.html	Fri Nov 29 13:51:53 2013 +0100
+++ b/rdf-primer/index.html	Fri Nov 29 14:06:18 2013 +0100
@@ -269,6 +269,8 @@
     three elements they are called <strong>triples</strong>.
     </p>
 
+    <p class="issue">Should we define "resource"?</p>
+    
     <p>Informally speaking, RDF allows us to make
     statements of the form:</p> 
 
@@ -502,6 +504,8 @@
     range of this property must be resources of class
     </code>ex:Person</code>. <p>
 
+    <p class="issue">Should we explain what a domain/range is?</p>
+
     <p>RDF Schema uses the notion of "class" to
     specify categories that can be used to classify resources. The
     relation between an instance and its class is modelled through the