Moderate RAG Question 203 of 223

What is Retrieval Augmented Generation?

GenAI / LLM · Speak this in 60–90 seconds · Faridabad & Delhi NCR

PICTURE THIS: AN LLM TURN

Text inTokens
TransformerAttention
Text outNext token

Simple meaning

RAG searches your documents first, then feeds relevant chunks into the LLM prompt.

1

WHY — Tokens instead of words?

LLMs use tokens (not full words) because it helps them:

RAG questions separate people

who only read docs from people who shipped.

Keep it short, concrete,

and tied to GenAI / LLM work.

Stable token IDs

Each piece maps to a number the network can learn.

Fits the model

Fixed pieces are what transformers expect as input.

2

STEPS — What happens with tokens?

Before the model can read a sentence, it goes through these steps:

  1. 1
    RAG searches your documents

    first, then feeds relevant chunks into the LLM prompt.

  2. 2
    Answers stay grounded in

    company data and cite sources.

  3. 3
    It reduces hallucinations for

    private knowledge.

  4. 4
    Context mix

    Attention looks at nearby tokens together.

  5. 5
    Next token

    The model scores what should come next.

  6. 6
    Decode

    IDs turn back into readable text.

3

EXAMPLE — See it in action

Here's a short line you can speak, broken into clear beats:

Say this line
“Answers stay grounded in company data and cite sources.”
Break into beats
Answersstaygroundedincompanydata
Speaking order
2987408337471632900

Note: Adapt this scaffold to your own project — keep it under 60–90 seconds.

Key takeaway

RAG searches your documents first, then feeds relevant chunks into the LLM prompt. Answers stay grounded in company data and cite sources.

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