-faces of the selected mesh. Vector is shown for each 2D mesh element
-and for each free face of 3D mesh element. Vector direction is calculated by
-the first three nodes of face as a cross product of vectors n1-n2 and n1-n3.</li>
+faces of the selected mesh. The orientation vector is shown for each 2D mesh element
+and for each free face of a 3D mesh element. the vector direction is calculated by
+the first three nodes of the face produced by vectors n1-n2 and n1-n3.</li>