diff --git a/doc/salome/gui/SMESH/input/selection_filter_library.doc b/doc/salome/gui/SMESH/input/selection_filter_library.doc
index 613febb9c..a921d8576 100644
--- a/doc/salome/gui/SMESH/input/selection_filter_library.doc
+++ b/doc/salome/gui/SMESH/input/selection_filter_library.doc
@@ -25,8 +25,10 @@ criterion. The \b Clear button deletes all criteria.
\n Each Entity type has its specific list of criteria, however all
filters have common syntax. For each criterion you should specify the
Threshold Value and whether we search for the elements that should be
-\b More, \b Less or \b Equal to this \b Value. You should also specify if the
-criterion is \b Unary or \b Binary.
+\b More, \b Less or \b Equal to this \b Value. You can also nagate 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 Standalone Group using filters (for this click
@@ -43,4 +45,109 @@ in the Library.
\image html a-filteronedges.png
+Some criteria are applicable to all Entity types:
+-
+Belong to Geom selects entities whose all nodes belong to a
+submesh on the shape defined by Threshold Value. The threshold shape
+must be sub-shape of the main shape of mesh.
+
-
+Lying on Geom selects entities whose at least one node belongs to a
+submesh on the shape defined by Threshold Value. The threshold shape
+must be sub-shape of the main shape of mesh.
+
-
+Range of IDs allows selection of entities having certain
+IDs. Threshold Value can be like this: "1,2,3,50-60,63,67,70-78"
+
+
+
+The following criteria are applicable to all Entity types except Volumes:
+-
+Belong to Plane selects entities whose all nodes belong to a
+specified plane within a given Tolerance.
+
-
+Belong to Cylinder selects entities whose all nodes belong to a
+specified cylinder within a given Tolerance.
+
-
+Belong to Surface selects entities whose all nodes belong to a
+specified arbitrary surface within a given Tolerance.
+
+
+
+Additional criteria to select mesh Edges are the following:
+-
+Free Borders selects free 1D mesh elements, i.e. edges belonging to
+one face only. See also a
+\ref free_borders_page "Free Borders quality control".
+
-
+Borders at Multi-Connections selects edges belonging to several faces.
+The number of faces should be more, less or equal (within a given Tolerance)
+to the predefined Threshold Value. See also a
+\ref borders_at_multi_connection_page "Borders at Multi-Connection quality control".
+
-
+Length selects edges with a value of length, which is more, less or equal
+(within a given Tolerance) to the predefined Threshold Value.
+See also a
+\ref length_page "Length quality control".
+
+
+
+Additional criteria to select mesh Faces are the following:
+-
+Aspect ratio selects 2D mesh elements with an aspect ratio (see also an
+\ref aspect_ratio_page "Aspect Ratio quality control"), which is more, less or equal
+(within a given Tolerance) to the predefined Threshold Value.
+
-
+Warping selects quadrangles with warping angle (see also a
+\ref warping_page "Warping quality control"), which is more, less or equal
+(within a given Tolerance) to the predefined Threshold Value.
+
-
+Minimum angle selects triangles and quadrangles with minimum angle (see also a
+\ref minimum_angle_page "Minimum angle quality control"), which is more, less or equal
+(within a given Tolerance) to the predefined Threshold Value.
+
-
+Taper selects quadrangles cells with taper value (see also a
+\ref taper_page "Taper quality control"), which is more, less or equal (within a given
+Tolerance) to the predefined Threshold Value.
+
-
+Skew selects triangles and quadrangles with skew value (see also a
+\ref skew_page "Skew quality control"), which is more, less or equal (within a given
+Tolerance) to the predefined Threshold Value.
+
-
+Area selects triangles and quadrangles with a value of area (see also an
+\ref area_page "Area quality control"), which is more, less or equal (within a given
+Tolerance) to the predefined Threshold Value.
+
-
+Free edges selects 2D mesh elements consisting of edges belonging to
+one element of mesh only. See also a
+\ref free_edges_page "Free Edges quality control".
+
-
+Borders at Multi-Connections 2D selects cells consisting of edges belonging to
+several elements of mesh. The number of mesh elements should be more, less or equal
+(within a given Tolerance) to the predefined Threshold Value.
+See also a
+\ref borders_at_multi_connection_2d_page "Borders at Multi-Connection 2D quality control".
+
-
+Length 2D selects triangles and quadrangles combining of the edges with a value of
+length, which is more, less or equal (within a given Tolerance) to the predefined
+Threshold Value. See also a
+\ref length_2d_page "Length 2D quality control".
+
+
+
+Additional criteria to select mesh Volumes are the following:
+-
+Aspect ratio 3D selects 3D mesh elements with an aspect ratio (see also an
+\ref aspect_ratio_3d_page "Aspect Ratio 3D quality control"), which is more, less or equal
+(within a given Tolerance) to the predefined Threshold Value.
+
-
+Volume selects 3D mesh elements with a value of volume (see also a
+\ref volume_page "Volume quality control"), which is more, less or equal (within a given
+Tolerance) to the predefined Threshold Value.
+
-
+Bad oriented volume selects mesh volumes, which are incorrectly oriented from
+the point of view of MED convention.
+
+
+
+
*/
\ No newline at end of file
diff --git a/src/SMESHGUI/SMESH_msg_en.po b/src/SMESHGUI/SMESH_msg_en.po
index c1f7eaacd..22b2fa827 100644
--- a/src/SMESHGUI/SMESH_msg_en.po
+++ b/src/SMESHGUI/SMESH_msg_en.po
@@ -1118,8 +1118,8 @@ msgstr "Borders at multi-connections"
msgid "SMESHGUI_FilterTable::LENGTH"
msgstr "Length"
-#msgid "SMESHGUI_FilterTable::LENGTH2D"
-#msgstr "Length2D"
+msgid "SMESHGUI_FilterTable::LENGTH2D"
+msgstr "Length 2D"
msgid "SMESHGUI_FilterTable::ASPECT_RATIO"
msgstr "Aspect ratio"