That two-window approach was particular useful where you needed to be able to rearrange the order of the items. Now we tend to have a part of the record appear

That two-window approach was particular useful where you needed to be able to rearrange the order of the items. Now we tend to have a part of the record appearing to have texture (stripes or bumps) as a clue that grabbing it will afford pushing it up or down. There’s many little common standards like that which have never appeared in “out of the box” controls provided by the platforms.