Reorder any post types and taxonomies with drag and drop.
A. Uncheck the "Order" option in "Show on screen" section on Screen Options tab to disable sorting.
A. Click the "Reset" link next to "Order" option on Screen Options tab.
A. Ctrl(or Command on OS X)+Click toggle selection state of current item. Shift+Click select items between first selected item on the list and current item.
A. Currently not supported.