A few months back I sat in a meeting where someone said, dead serious, "we should fine-tune the RAG." Nobody blinked. Ev...

A few months back I sat in a meeting where someone said, dead serious, "we should fine-tune the RAG." Nobody blinked. Everyone just nodded, the way you nod when a doctor says a Latin word and you'd rather die than ask what it means.Thing is, that sentence didn't mean anything. Fine-tuning and RAG aren't even the same species of tool. Nobody in the room knew that. Including, I'm pretty sure, the guy who said it.That's where we're at with AI right now. Everyone's using the words. Almost nobody knows what's underneath them. So here are five, told as stories instead of definitions, because that's honestly all these terms are once you scrape the jargon off. Read these and you'll know more than half the people who use them for a living. 1. Context Window — the whiteboard that erases itselfYou're explaining something to a friend on a whiteboard. You keep writing. The board's only so big, though — so when you hit the edge, the oldest stuff at the top starts getting wiped to make room for the n...