Hello World of RAG - Day 1

As a beginner in understanding LLMs, when I heard the term RAG-Retrieval Augmented Generation, I assumed it was a technique used within LLMs. However, from this session, I learned that RAG is all about use of our own custom or private data along with an LLM to generate more relevant responses. Before understanding RAG, we need to have clarity on what exactly these LLMs are? What does a Model mean? A model means an equation. Let's say now we have this equation y = mx + c This is a straight line e