Product Code and Supplier's Code
Product code is a unique number (or alphanumeric) use to identify an item. The unique product code for reselling a product can be different from ordering from the supplier, the supplier code. For example, you own a retail shop selling Television. You sell various brands and models which purchase from multiple manufacturers and distributors. To keep a searchable inventory list, you may create the product code such as:
ABrand32LEDTV
ABrand43LEDTV
ABrand52LEDTV
BBrand32LEDTV