UPC: Universal Product Code

UPC, or Universal Product Code, is a barcode symbology widely used in stores worldwide. It's a unique identifier for a product that's encoded in those black lines you see on most packaged goods. This code helps stores identify and track each item throughout the supply chain and on shelves. Each UPC code is a 12-digit number assigned to a specific product by a global organization called GS1 (formerly known as the International Article Numbering Association). The number is essentially a serial code that differentiates that particular product from all others. Scanned by a reader, the UPC translates into information that helps stores manage stock, pricing, and checkout efficiency. In a nutshell, it's a standardized system that ensures smooth product flow all around the world.

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