Amazon Sales Rank (ASR): A metric that explains the relationship among products within 1 category based on their sales performance.
Amazon Standard Identification Number (ASIN): A ten-digit alphanumeric code that identifies products on Amazon.
European Article Number (EAN): A 13-digit number used to identify products.
Fulfilled by Amazon (FBA): A service by Amazon where the merchant’s products are picked, stored at Amazon’s fulfilment centers, packed, then shipped to customers by Amazon.
Merchant Stock Keeping Unit (MSKU): One of the ways that Amazon helps sellers keep track of their inventory.
Stock Keeping Unit (SKU): A unique identifier for the product, assigned by the merchant.