To rearrange a category, click and hold the 3 dots to the left of the category, and move it to it’s new parent. Please note that categories within parents are arranged alphabetically and the order cannot be edited. You can only change the parent category.
To edit a category, simply click the “Edit” link on the right side of the category code.
From there, you can change the details and click save (1), delete the category completely (2), or cancel any edits (3).