Follow these steps to organizing and re-arranging Sets:
Using the sidebar menu, click on any Set you'd like to edit.
To rearrange a frame, simply click and drag it to the desired location.
If you click on a single frame or multiple frames, a task bar will appear with the following options:
You can delete multiple frames.
You can download multiple frames without downloading the entire Set.
And finally, you can create a new Set with multiple frames.