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Lesson 4 of 8

Chunking and metadata — the practical bits

Lesson 4 of 8 · Embeddings Explained Without the Jargon

In this lesson. What you embed, and what you store beside it.

What you will learn

  • What to embed
  • Metadata
  • Source and date

Walkthrough

You will choose chunk size conceptually and which metadata you must keep (source, date). Bad metadata makes great vectors useless in the UI. Practical beats theoretical.

Work through the ideas in order. After each point, pause and connect it to a task you already do — a document, a workflow, or a feature you own. The goal of Embeddings Explained Without the Jargon is usable skill, not a pile of notes.

If something is unclear, rewrite it in your own words before you continue. Teaching the step back to yourself is the fastest way to see gaps.

Practice

For one doc type, write chunking rules and required metadata.

Keep the first attempt small. A finished example you can reuse beats a perfect plan you never run.

Check your understanding

  • Can you explain the goal of this lesson in one sentence to a teammate?
  • Where would you apply “What to embed” in your own work this week?
  • What would you change on a second pass of the practice?

Next. Continue to the following lesson when the practice has a real artifact, even a rough one.