Barcode
Those combo'd skinny n' fat parallel lines in the rectangular box at the bottom of pretty much every single one of the 88,000 things you can buy at Safeway. It's a financial code that anchors the product you've just bought to the cash register and the grocery store's inventory tracking system.
![](https://media1.shmoop.com/images/finance-glossary/manhattan-skyline-night.jpg)