Who is this for? Anyone who wants to understand modern AI deeply — not just use it. Engineers, curious learners, and interview candidates who want the why behind the buzzwords, laid out in one place, in plain English.
Table of Contents
1. 🧠 The Big Picture: What is an LLM?
A Large Language Model (LLM) is a machine that has one fundamental job:
Given what came before, predict what comes next.






