10 Essential AI Terms Every Beginner Should Learn Today
eWEEK, Monday, January 5th, 2026
Artificial intelligence is everywhere now, powering search engines, rewriting emails, and even seeping into the apps you use every day.
But for anyone just stepping into the space, the language around AI can feel like a wall of unfamiliar terms: tokens, models, hallucinations, and more. The tech isn't hard to follow, but the jargon is. Once you decode the vocabulary, the entire field becomes far less mysterious and far more usable.
Here are the 10 AI terms that give beginners the clearest, quickest foundation.