+The following commands appear in the Object Browser context menu
+under certain conditions:
+
+\image html ob_popup_menu.png <br>
+
+<ul>
+<li>\ref work_with_groups_page "Create Group" - allows creating groups of geometrical objects.</li>
+
+<li><b>Conceal child items</b> / <b>Disclose child items</b> - hides / shows child
+sub-objects in the Object Browser, if the selected geometric object has
+child objects. When some child objects are hidden, the name of the
+parent object is hilghlighted with bold font.</li>
+
+<li><b>Show Only Children</b> - erases from the current viewer all objects
+and then displays only the children of the selected object(s).
+</li>
+
+<li><b>Unpublish</b> - unpublishes the selected geometric object from the Object Browser
+ and erase it from all viewers. To publish unpublished geometric objects select in the
+ context menu of the <b>Geometry</b> root object <b>Publish...</b> item.
+ The following dialog box will appear
+
+ \image html publish_dlg.png <br>
+
+ Switch the checkbox near the appropriate object and
+ click <b>Publish</b> or <b>Publish And Close</b> button.
+
+ "Eye" icons in this dialog box allow previewing unpublished objects in the viewer. By default all
+ unpublished objects are sorted by name in ascending order. It is possible
+ to change the order (ascending / descending) by clicking the corresponding title bar of the objects list.
+</li>
+</ul>
+
+At the bottom of the Object Browser, there is \b Information
+window providing some information on a selected geometric object:
+
+\image html creation_op_info.png Information window
+
+- <b>Creation operation</b> shows a name of the operation
+used to create the selected object.
+- The table below lists \b Parameters used to create the
+selected object and their \b Values.
+