Recipe Ingredient - WolfyScript/CustomCrafting-Wiki GitHub Wiki
Ingredients are usually used to set one Item at a time, but they can contain multiple items.
To set multiple items you can shift + right-click on the result slot and it will open the Ingredient Options menu.
With the 1.6.6.0 update, you can also add tags.
Tags
Tags are groups of items for easier management of recipes.
The Tags Button will open the Tag settings to configure the tags and choose from a list of tags.