When creating products/goods in the Inventory, you can add extra Product fields, that are used to add extra information and description to one's products/goods.
How to change and use the extended product fields:
Press on Settings in the bottom left corner
Then you press Product fields
Here you have an overview of the various expanded Product fields. You can edit the labels yourself if Gear, Lock and Battery doesn't make much sense to you.
When you have changed the Product fields, press Save in the upper right corner.
When you then need to add a new item or edit an item, it will look like the example below:
At the bottom you can see the expanded Product fields that you have added, which you can then add some text to, in the text field under each of the different Product fields. To get more information about this window and how to edit a product, click here.