Amazon Glossary

O2C stands for Order to Cash - the full end-to-end process of managing and fulfilling a sale to Amazon, from receiving a purchase order to collecting payment. 

OA stands for Online Arbitrage - a retail strategy where sellers purchase discounted or clearance products from online stores and resell them on Amazon at a higher price for profit. 

OB stands for Obsolete - a status indicating that a product is outdated, no longer supported, or no longer sold by Amazon due to low demand, lifecycle end, or replacement by a newer version.

OB can also stand for Outbound - referring to the process of picking, packing, and shipping products from an Amazon fulfillment center to customers or other facilities. 

ODR stands for Order Defect Rate - a key performance metric that measures the percentage of a seller’s orders with reported issues, such as negative feedback, A-to-Z claims, or chargebacks. 

OH stands for On Hand - the total quantity of inventory currently available and physically stored at Amazon’s fulfillment centers. 

OHL stands for Other Hardlines - an Amazon product category that includes various durable goods that don’t fall into traditional hardline subcategories like electronics or tools. 

OIH stands for Order Inventory Health - a metric Amazon uses to assess how well a vendor’s or seller’s inventory supports active and expected customer demand. 

OLR stands for Organisation and Leadership Review - an internal Amazon process used to evaluate team performance, leadership effectiveness, and talent development.

OMOQ stands for Offer Minimum Order Quantity - the smallest number of units a customer must purchase in a single transaction for a specific Amazon offer to be eligible.

OMS stands for Order Management System - a software platform used to track, manage, and process customer orders across multiple sales channels, including Amazon.

OOS stands for Out of Stock - a status indicating that an item is currently unavailable for purchase due to lack of inventory.

OpEx stands for Operational Excellence - Amazon’s focus on maintaining high standards in efficiency, accuracy, and execution across all areas of operations.

OPS stands for Ordered Product Sales - the total value of products ordered by customers before cancellations, returns, or adjustments. Also known as Ordered Revenue.

Ordered Revenue is the total value of customer orders placed on Amazon that have not yet been shipped, calculated using the average selling price (ASP) at the time the order was placed.

Ordered Volume refers to the total number of product units that customers have ordered during a specific time period — typically calculated by dividing Ordered Revenue by the Average Selling Price (ASP).

OTC stands for Over the Counter - a classification for health-related products that can be purchased without a prescription. 

 OTIF stands for On Time, In-Full - a logistics performance metric Amazon uses to evaluate whether a vendor’s shipment was delivered by the promised date and whether the correct quantity was received.

OTP stands for One-Time Password - a temporary, single-use code used to verify a user’s identity for secure login or transaction on Amazon platforms.