diff -r 058bb3dc685f -r 0b59724cb3f2 cubicweb/web/wdoc/glossary_en.rst
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+++ b/cubicweb/web/wdoc/glossary_en.rst	Sat Jan 16 13:48:51 2016 +0100
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+action box
+    Area visible in the upper left column. You have a list of available actions on the entity. The most frequently used entry is `modify`.
+
+object
+    All element created in the application
+    Example: project, ticket, user, ...
+
+relation editing module
+    HTML widget that let you define new relations amongst objects.
+
+relation
+    It's a kind of 'smart' link between 2 objets of the application. It has a specific sense that determine dynamic behaviour and add a new logic of the content.
+
+