-filters have common syntax. For each criterion you should specify the
-<b>Threshold Value</b> and whether we search for the elements that should be
-\b More, \b Less or \b Equal to this \b Value. You can also reverse the
-sense of a criterion using \b Unary operator Not and you should
-specify logical relations between criteria using \b Binary operators
-Or and And.
-\n Some criteria should have the additional parameter of \b Tolerance.
-
-When we create a <b>Standalone Group</b> using filters (for this click
-<b>Set Filters</b> button in the <b>Create Group</b> menu), the menu
-for setting filters looks a bit differently. Toggling <b>Insert filter
-in viewer</b> checkbox enables to preview the group selected with your
-current filter in the viewer.
-\n In the \b Source field you choose if the filter will be applied to
-the whole \b Mesh, the <b>Initial Selection</b> or the <b>Current Group</b>.
-\n <b>Copy from...</b> button gives you a possibility to load an
+filters have common syntax. The <b>Threshold Value</b> should be specified
+for most criteria. For numerical criteria it is necessary to indicate if
+the found elements should be \b More, \b Less or \b Equal to this
+\b Value. You can also reverse the sense of a criterion using \b Unary
+operator \a Not and you should specify logical relations between
+criteria using \b Binary operators \a Or and \a And.
+\n Some criteria have the additional parameter of \b Tolerance.<br>
+Switching on <b>Insert filter in viewer</b> check-box limits
+selection of elements in the Viewer to the current filter.
+<br>
+In the \b Source field you choose if the filter will be applied to
+the whole \b Mesh, the <b>Initial Selection</b> or the <b>Current
+Dialog</b>. If \b Mesh is chosen, the elements satisfying the filter
+will be selected in the 3D Viewer. If <b> Initial Selection</b> is
+chosen, the filter will be applied to the selected elements and the
+elements rejected by the filter will be deselected. If <b>Current
+Dialog</b> is chosen, the filter will be applied to the list of
+elements in the current dialog and the elements rejected
+by the filter will be removed from the list.
+<br>
+<b>Copy from...</b> button gives you a possibility to load an