To rearrange your Dreams, navigate to the Dream section of the app.
Then, click the three dots on the upper right corner of the screen. You can drag and drop to rearrange your dreams, and then click "Save".
To rearrange your goals within a Dream, navigate to the Dream section on the app, and open up the Dream you'd like to edit.
Then, simply long-press on the item you wish to move, and then drag it to the desired position.
You can rearrange the order of your Habits and Tasks.
Note: You are unable to change the order of Achieved Dreams, as they are organized based on the dates you achieved them.