You can reorder the layers in both the bone editor and animation editor, but only the order can be adjusted individually.
In the layer area of the bone editor, click a layer and drag it up or down to reorder it.
![](https://help.mangoanimate.com/wp-content/uploads/2022/12/image-185.png)
For details on how to reorder layers in the animation editor, see: How to adjust the display order of layers?