Quick Definition

A Stock Keeping Unit (SKU) is a unique identifier for each distinct product and service that can be purchased.

Examples

• 1A bookstore uses SKUs to differentiate between different editions of the same book, such as hardcover, paperback, and audiobook versions.
• 2An electronics retailer assigns different SKUs to each model of a smartphone, varying by features like storage capacity, color, and brand.
• 3A clothing store uses SKUs to track inventory of the same style of jeans, which are available in various sizes and colors.

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