Items that are setup in Preset Folders can easily be moved.
The above shows the four (4) tasks belong to the Default Tasks Folder.
Clicking on the plus symbol will expand to show additional folders
NOTE: Notice that the Tasks is highlighted. That means that we are still working inside the Default Tasks folder.
In order to move the "Purchase and install garbage disposal" to the Kitchen folder, Sink subfolder, all you need to do is go to the move icon and drag it to the folder.
Clicking on the Kitchen folder, Sink subfolder will show the following. Notice that Sink is now highlighted.
You can repeatedly move items from one folder to another in a similar fashion.