Amazon Sellers Glossary

Amazon Sellers Glossary & Terminology

Here are definitions of and terminology mostly used by Amazon sellers worldwide. The list is arranged alphabetically to help you easily find what you are looking for.

3PL – Third Party Logistics

A provider of outsourced logistics services which can include shipments, storage and fulfillment. 

A-to-Z Guarantee

An Amazon program which guarantees the condition and timely delivery of third-party products. Amazon customers may make claims against sellers under the a-to-z guarantee. This can be very damaging to your seller account so do what you can to keep the customers happy.  

ACoS – Advertising Cost of Sales 

The percentage of attributed sales spent on advertising. This is calculated by dividing your total ad spend by your total sales.


Aliexpress dropshipping Amazon is one of the most popular marketplaces for e-commerce dropshipping business model. You can import the product details and images from directly to your Amazon store, choosing from millions of different items just at your fingertips  

Amazing Selling Machine (ASM) 

Amazing Selling Machine (ASM) is a high-quality Amazon FBA Business Training. It is a complete step-by-step program that walks you through every part of starting, growing, running, and scaling a business leveraging the power of one of the world’s largest online retailers. This program is responsible in producing Amazon FBA Sellers making as much as up to $ 5M per month.

ASIN (Amazon Standard Identification Number)

The unique identification code Amazon assigns to a listing.

B2B (Business to Business)

You selling to a business customer.


It is the umbrella term for UPCs and EANs and is usually a numerical code between 12 and 14 digits. Barcodes allow companies to distribute and sell their products in a variety of Point of Sale scenarios. Before you can start selling your products off and online, you must acquire a barcode for each unique product that you plan on selling.


At BarCodesTalk, you can I buy bar codes for Amazon. Bar Codes Talk has been supplying high quality bar codes at the lowest prices available. There’s no need to make a minimum purchase or bulk order- buy as many or as few bar codes as you need. There are no renewal fees- simply pay once for your bar codes and use them on your items for life. At BarCodesTalk, it’s their goal to assist our customers in securing high quality bar codes for the lowest prices. If you already know what you need you can purchase barcodes here.

BB (Buy Box)

This is the main spot on Amazon where a buyer can do a “one-click” purchase. The Buy Box seller which get a large percentage of the sales of that product. There are many factors involved in getting the Buy Box including price, sales history, account age, metrics etc.

Brand Registry

An Amazon program that helps you protect your brand from other sellers jumping on your listing. You need a trademark to get Brand Registered. You will also be able to use Enhanced Brand Content.

BSR (Best Seller Rank)

This is the Amazon category rank for a product based on how well it sells. This can be found on the listings. The lower the number the better the rank and therefore the more it sells.

COGS (Cost of Goods Sold)

How much you paid for your products – this is used for accounting.

CTR (Click Through Rate)

The percent of shoppers who see your ad and click on it. This is calculated by dividing total clicks by total impressions.

EAN (European Article Number)

This is a unique barcode that identifies the product and is the European version on the UPC.

EBC (Enhanced Brand Content)

Allows sellers to create more detailed product descriptions with additional images, videos and text.

EXW (Ex Works)

International trade term that describes an agreement in which the seller is required to make goods ready for pickup at his or her own place of business. All other transportation costs and risks are assumed by the buyer. For Amazon sellers, this would mean that they have to cover the costs of shipment starting from the Factory or Wholesaler.

FBA (Fulfillment By Amazon)

Fulfillment by Amazon (a.k.a., Amazon FBA) is one of the best ways for your small business to outsource storage and fulfillment. This is when you send you products in bulk to Amazon warehouses and Amazon then fulfil the orders and deal with customers.

FBM (Fulfillment By Merchant)

This is when the seller picks and packs the orders to the customer and deals with customer service too.

FC (Fulfillment Center)

A fulfillment centre is where you send your products when doing FBA. They are stored and then prepped and shipped once they are sold. 

While each fulfillment center operates slightly differently, they all accomplish the same thing: they act as a command center for all your order prepping and shipping needs. Fulfillment centers also double as warehouse spaces for inventory storage, allowing you to hold onto product. Some fulfillment service providers have multiple fulfillment centers, allowing them to serve different geographic locations more quickly than if they were to have just one. This allows ecommerce companies to deliver fast and affordable shipping to a diverse customer base. – Shopify


Fulfillment Network Stock Keeping Unit

This is Amazon unique code assigned to each seller on a product. It remains the same for you and the asin combination so you can print and label your products in advance.

More info on all codes used on Amazon here – Ultimate Guide to Amazon Barcodes: UPC, GTIN, EAN, ASIN, FNSKU

FOB (Freight On Board)

This is the last location that the Seller of an item will cover shipping costs. For Sellers, if they see a term sheet with the term “FOB Port of Hong Kong”, this means that the factory will cover the shipping costs up until the Port of Hong Kong, after that point, it is the Buyer (Amazon Seller) who assumes control over the goods.

Fulfillment Service Provider

A fulfillment service is a third-party warehouse that prepares and ships your orders for you. Ecommerce fulfillment services are ideal for businesses that don’t want to deal with shipping or have outgrown existing warehousing capabilities to a point where they’re unable to ship orders themselves anymore. Here are leading Fulfillment Services you can use for FBA Business: Deliverr, Spocket, Shipwire, Fulfillman. 


At Fulfillman, they have millions of products for sale, and their sources are selected from a range of suppliers in China. Their quality control teams work with the factories to get you high-quality products.

PRODUCT SAMPLE. Fulfillman ships product samples to your address as an importer of products based in USA, Canada, Europe and other countries before selling to your customer to be sure of the high quality.

Gated Brand

Individual brands can also be restricted and you need to apply to sell. This normally involves getting invoices and written permission from the brand.

More info on getting ungated here – How to get Ungated in Amazon restricted categories

Gated Category

A restricted category of products for which you need approval from Amazon to sell. 

GTIN (Global Trade Identification Number)

Includes UPC, ISBN and EAN. 

ISBN (International Standard Book Number)

For books this code is used instead of an ASIN to identify on Amazon.


JungleScout provides a full suite of Amazon seller tools, helping sellers with everything from finding a product, sourcing a supplier, launching and optimizing a product listing, to managing business analytics, inventory and more. JungleScout has employees across the globe, with offices in Austin Texas, Vancouver Canada, and Shenzhen China.

Lightning Deals

A promotional offer where a product is featured for several hours on the Amazon Deals page.

MAP (Minimum Advertised Price)

The minimum price this brand will allow sellers to list their product.

MSRP – Manufacturer’s Suggested Retail Price

The standard price the manufacturer recommends products should be sold at. Also known in the uk as rrp – recommended retail price.

MOQ (Minimum Order Quantity)

The lowest possible order volume allowed by a manufacturer for a particular product. Negotiable.

Payoneer (International)

Payoneer is an innovative payments platform that empowers Amazon 3rd party sellers to get paid by international companies and marketplaces quickly, simply and at reduced cost.

Benefits of using Payoneer

Scale Your Business: Work with any marketplace, network or company you choose, including Amazon, Lazada, Wish, Newegg, and more!

Sell in New Markets: Whether you sell in the US, Europe, Japan, or anywhere else in the world, you can get paid directly to your Payoneer account and withdraw your funds at any time to your bank account, in local currency.

Same day conversion: Fast conversion and settlement enabling Amazon sellers to provide a virtual bank account and get paid by Amazon directly. 

Not yet signed up for a Payoneer MasterCard Debit Card? Sign up today FREE and start receiving your Amazon payments through Payoneer

PL (Private Label)

Branding a generic product with your own brand to sell on Amazon. Usually imported from China. Most popularly from Aliexpress

PPC (Pay Per Click)

Advertising model where an advertiser pays for the ad placement only when the Ad is clicked.

Product Research Tools

Product Research tools are useful tools to finding products that are sourceable, profitable, shippable, and has limited competition since it is a significant challenge with over 200 Million different items for sale on Amazon. Some popular tool in the market are the following: Jungle Scout, Helium 10, Viral Launch. 


QuickBooks Online is one of the most popular inventory management tool, whether you’re selling your own products or drop-shipping. You can simply create a master inventory list, and then sync your products across all of your Amazon sales channels and warehouses. See why Amazon Sellers need QuickBooks

RA (Retail Arbitrage)

Buying products for cheap prices and re-selling them on Amazon for more.

Referral Fee

A percentage based cost for selling products on Amazon. Usually, 7-15% based on final selling price.

ROI (Return on Investment)

Percentage profit compared with purchase price

SC (Seller Central)

The main portal for managing your Amazon Seller Account. Seller Feedback – A rating awarded to Amazon’s third-party sellers from customers who have purchased from the seller which ranges from 1 to 5 stars. This is different from a Product Review which is only linked to the actual product and not the individual seller. Negative feedback can be very damaging to your account and if you get too much you will eventually be suspended.


SellerApp helps you skyrocket your Amazon sales. It’s an all-in-one tool designed to help sellers across their Amazon journey. Pick your product, optimize your listings, and boost your sales with the click of a button.

SFP (Seller Fulfilled Prime)

This is where you store the products in your warehouse but offer express Prime shipping using Amazons approved carriers.

Shipstation (Shipping Software)

The Shipping Software with the most 5-star reviews

Why is ShipStation the leading choice of online sellers? Because no other platform makes shipping faster, easier and more affordable.


Shopify is one of the world’s most popular commerce platform that allows anyone to set up a store and sell their products online or in person. Shopify’s ecommerce platform and point of sale features enables you to Sell anywhere, to anyone. The Platform lets you start, grow, and manage a business. Create and customize an online store. Sell in multiple places, including web, mobile, social media, online marketplaces, brick-and-mortar locations, and pop-up shops. Manage products, inventory, payments, and shipping.

SKU (Stock Keeping Unit)

The manufacturer of the product will allocate a unique SKU to each of their products. If you are doing Private Label you will choose this code.

SS (Seller Support)

Amazon’s support team for resolving Sellers’ issues and questions.


Shipwire is a Global order fulfillment. Use any combination of our warehouses or yours to ship internationally and domestically. On-demand and custom order fulfillment solutions support B2C and B2B commerce.


Slingly is an e-commerce platform that helps you establish your store, so you can start promoting products and making money online. Slingly also goes by the name Commercify and is considered the. Slingly has earned its reputation for being a monster automation platform which allows you to automatically establish your own e-Commerce stores with a few simple steps in the first period. To be more specific, this application offers a wide variety of features for you to track, record and analyze the advertising information and customers’ data. Slingly integrate to Amazon, Shopify, Etsy, Groove Kart & Coming Soon Gear Bubble Pro!! 


Spocket connects you directly to suppliers around the world, especially those in the US and EU, and allows to quickly import products to your Shopify or WooCommerce store. The application makes dropshipping scalable as you don’t need any new storage facilities and allow suppliers to perform everything for you.

Unverified Reviews

When a customer leaves a product review without first purchasing the product on Amazon. Unverified reviews carry less weight when Amazon averages a given product’s reviews and Amazon are now starting to remove Unverified Reviews.

UPC (Universal Product Code)

A unique 12-digit number assigned to retail merchandise that identifies both the product and the vendor that sells the product. 



VA (Virtual Assistant)

This is when you hire someone to save time and money – usually offshore like or similar to do work for you – i.e product sourcing or data input.

Verified Reviews

When an Amazon customer leaves a product review after purchasing the product.

VC (Vendor Central)

The central portal for managing your Amazon Vendor account

WS (Wholesale)

Buying products in bulk from a wholesaler or distributor for a low price to sell higher on Amazon.

More info on buying wholesale here – Finding Wholesale Suppliers and Distributors for Amazon FBA

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