Window management via context menu provides the following commands and sub-menus:
Delete window
Split window horizontally using mouse position
Split window vertically using mouse position
Swap current window with window in direction (only in GNU Emacs 31+)
Flip current window in direction (only in GNU Emacs 31+)
Rotate windows in direction (only in GNU Emacs 31+)
Transpose windows (only in GNU Emacs 31+)
Window management menu items are context sensitive so will only display if applicable.