Create a category
Go to Catalog Settings.
Go to Categories and click on Purple.category
Add Name and click on Save.category
Edit a category
Go to Catalog settings.
Go to Categories and click on Small and click on Edit.category
Change the informations based on your needs then click on Save.category
Delete a category
Go to Catalog Settings.
Go to Categories and click on Small and click on Delete.category
Click on OK.category