Within the pop-up menu, you can categorize the new Component Category within an existing category. This will give your new component category a "parent category".
To add a new component category, simply click the green "Add Category" button located to the right of the field. Here you may fill in a suitable name for the category, and designate a parent category for it to further categorize under.
Within the pop-up menu, you can categorize the new Component Category within an existing category. This will give your new component category a "parent category".