How to resize Xfce windows the easy way

You can move about the windows in Xfce and put them in the corner (1/4th) or to the left or right (1/2th) or full screen.

Resizing the windows can be done when going to the edges of the window and drag it into a direction.

But also with the ALT key pressed  together with the right mouse key pressed and dragging it into a direction.

It will be clearer in the video.