Best Amazon Agencies — glossary
Answer in brief
Definitions connect the category language to concrete Amazon marketplace artifacts, metrics, and decisions.
ACOS (Advertising Cost of Sale) — Best Amazon Agencies
The percentage of ad-attributed revenue spent on advertising, calculated as ad spend divided by ad revenue.
TACoS (Total Advertising Cost of Sale) — Best Amazon Agencies
The percentage of total revenue (organic + paid) spent on advertising, showing how ad spend relates to overall business performance.
ROAS (Return on Ad Spend) — Best Amazon Agencies
The revenue generated per dollar of advertising spend, calculated as ad revenue divided by ad spend.
FBA (Fulfillment by Amazon) — Best Amazon Agencies
Amazon's fulfillment service where sellers ship inventory to Amazon warehouses and Amazon handles storage, picking, packing, shipping, and customer service.
FBM (Fulfillment by Merchant) — Best Amazon Agencies
A fulfillment model where the seller handles storage, shipping, and customer service directly rather than using Amazon's FBA warehouses.
A+ Content (Enhanced Brand Content) — Best Amazon Agencies
Rich media product descriptions available to Brand Registry-enrolled sellers, replacing the standard text description with images, comparison charts, and brand storytelling modules.
Buy Box — Best Amazon Agencies
The primary purchase button on an Amazon product detail page, awarded to the seller offering the best combination of price, fulfillment, and seller metrics.
PPC (Pay-Per-Click) — Best Amazon Agencies
An advertising model where the advertiser pays each time a shopper clicks on an ad, used across Amazon Sponsored Products, Sponsored Brands, and Sponsored Display campaigns.
DSP (Demand-Side Platform) — Best Amazon Agencies
Amazon's programmatic advertising platform for display, video, and audio ads served across Amazon properties and third-party websites using Amazon's first-party shopper data.
Listing optimization — Best Amazon Agencies
The process of improving Amazon product listings through keyword research, title optimization, bullet point refinement, backend search terms, images, and A+ Content to increase visibility and conversion rate.
Brand Registry — Best Amazon Agencies
Amazon's program for registered trademark holders that provides access to enhanced content tools, IP protection, Brand Analytics, and Sponsored Brands advertising.
Seller Central — Best Amazon Agencies
Amazon's web interface for third-party sellers to manage inventory, pricing, advertising, orders, customer metrics, and account health.