When adding items to Katana, it's common to question whether an item should be classified as a product or material. This short guide should help.
An item is classified as a Material if it's a raw material that is used in production and never sold.
An item is classified as a Product if it's:
A finished product
Requires Subassembly
Sold on its own (as a replacement part)
An item that is purchased then resold