Want to learn retail media? Then you need to master a pile of acronyms and terms: ACOS, ROAS, TACOS, DSP, Buy Box, New-to-Brand… and the list goes on. That’s why I built this Retail Media Glossary.
Every concept is explained in plain English, with real examples. And if you want it always at hand, download my free PDF glossary (Spanish edition for now).

FREE GUIDE · 2026 EDITION
The Big Retail Media & eCommerce Glossary
Amazon Ads, PPC, programmatic, data, strategy and the metrics that matter, in one PDF (written in Spanish).
- 181concepts
- 8chapters
- 11formulas
Leave your name and email and download it instantly:
Retail media glossary: every term explained
Each term has its own article. Click the one you want to learn:
- Amazon Ads Pacing: How to Control Your Budget So It Doesn’t Run Out Early
- What Is Retail Media? A Practical Guide for Brands in the US and LatAm
- What is share of voice in retail media? How to calculate and use it
- Retail media vs. trade marketing: differences and how to make them work together
- Excel for PPC: the formulas and tables I use to optimize Amazon Ads
- Amazon Ads glossary English–Spanish: 40 terms you use every day
- Automatic vs. manual campaigns in Amazon Ads: when to use each
- Impression share and top of search in Amazon Ads: what they are and how to use them
- What is DOOH in retail? In-store digital screens and how to buy them
- How the Amazon Ads auction works: bids, relevance and what you really pay
- What is shoppable media? Ads you can buy from in the moment
- What is commerce media and how is it different from retail media?
- What is a brand lift study and when is it worth it?
- Closed-loop measurement: the big advantage of retail media
- Lookalike audiences in retail media: what they are and how to use them
- Reach and frequency in advertising: what they are and how to balance them in retail media
- What is vCPM (viewable CPM) and how it differs from CPM
- What is iROAS (incremental ROAS) and why it beats regular ROAS
- What is a data clean room in retail media? Explained simply
- What is MAP (minimum advertised price) and how it protects your brand on marketplaces
- What is a JBP (Joint Business Plan) with a retailer and how to prepare it
- Sell-in vs sell-out: the difference and why it matters in retail media
- What is GMV and why it is not the same as your sales
- What is CAC (customer acquisition cost) in ecommerce and retail media
- What is LTV (customer lifetime value) and how it changes your ad strategy
- What is contribution margin and why it decides your ACOS
What’s inside the PDF glossary?
- eCommerce and marketplace fundamentals.
- Retail media and commerce media.
- PPC, search and media buying.
- Amazon Ads and marketplaces.
- Programmatic advertising and AdTech.
- Metrics, measurement and profitability.
- Audiences, data and attribution.
- Strategy, growth and artificial intelligence.
It also includes a formula sheet to calculate your metrics and a ten-point manifesto with the principles I apply to every account.
Why this glossary helps you
Those of us who work in retail media use these acronyms every day, and it’s easy to assume everyone knows what we mean. Whether you’re just starting, running your own campaigns or working with an agency, understanding these terms helps you make better decisions and keep up in every meeting, especially if you manage accounts in both the US and Latin America.
Still have questions?
If there’s a term you can’t find here, write to me and I’ll add it. I recommend starting with what retail media is and then the free retail media course.


























