Brained by Britt · Free reference guide

AI terms you actually need to know.

40 plain-English definitions for business and marketing. LLM, AEO, RAG — if the conversation starts sounding like somebody spilled alphabet soup on a business plan, start here.

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AI Terms You Actually Need to Know — glossary cover
Why this helps

You don't need to memorize all of this.

You need just enough to ask better questions, choose useful tools, and recognize when somebody's selling you a very expensive collection of buzzwords. Every term comes with what it means and an example or a practical check — no computer-science degree required.

"If it sounds like someone spilled alphabet soup on a business plan — start here."
What's inside

40 terms, finally in plain English.

12 pages, organized so you can start with the basics and jump straight to the section that matches what you're working on.

/ 40 TERMS

Defined like a human

Each term gets what it means and an example or a practical check — the fastest way from "huh?" to "oh, that's all it is."

/ THE BUZZWORDS

LLM, AEO, RAG & friends

The acronyms you keep hearing in meetings and sales pitches, demystified — including the marketing terms that actually affect your business.

/ THE BS DETECTOR

Know what to check

Spot the difference between useful tech and an expensive pile of jargon — plus five common mix-ups worth remembering.

Start here — the five foundations everything else builds on.
Training vs. using — why they're not the same thing (and why it matters).
Getting clearer about what you want — the prompting & output terms.
Give answers something to stand on — grounding, sources, and RAG.
Automation & the connection terms — agents, workflows, APIs, without the mystery.
The marketing terms you keep hearing — AEO and the ones that touch your reach.
Grab it now

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A plain-English reference built from available information and research to help you learn and make your own decisions — not professional, legal, or financial advice. Tools and terms change fast; confirm anything important before you act on it.