You can view various categories of Themes, Layouts, Borders, Stickers, Background, and Masks. Categories under the Common tab will be available for all sections. You can Add Category, enable/disable particular category and even Edit Category from this interface.
You can add a category for Themes, Layouts, Borders, Stickers, Backgrounds and Mask from this interface. You can specify Category name, set Category Description and assign position number of that particular category. Select Category as Themes, Borders, Stickers, etc. whichever applies. To add a category in all sections, Select Category as Common.
Quick link to edit details for the selected category.