All elements of the sign are selected. At the same time, a selection flag for all elements will appear in column 1.
Reset element selection
Disables selection of all sign elements. In this case, in column 1, the selection flag will disappear for all elements.
Move selected element forward
The selected element is moved one line down.
Move selected element to end
The selected element is moved to the last line. When drawing a sign, the element of the last line is drawn last (above all). When intersecting elements of the sign, the last element paints the previous intersecting elements of the sign.
Move selected element back
The selected element is moved one line up.
Move selected element to start
The selected element is moved to the top line. When drawing a sign, the element of the top line is drawn first (below all). When intersecting elements of the sign, the first element is painted over by the second and subsequent intersecting elements of the sign.
