Explaining Vector Embeddings to My Mom — The Chai Shop Way

Dhaval BeraDhaval Bera
3 min read

"Beta, what is this AI you keep talking about?"

If you’re in tech, you’ve probably heard that question from your mom or dad at least once. And if you’ve ever tried explaining Vector Embeddings, you might have ended up sounding like a math professor instead of a loving child.

Let’s fix that today. No heavy jargon, no PhD required. Just a cup of chai and some common sense.


First, forget the big words

Imagine you’re telling your mom about your favorite dosa place in Bangalore. You don’t say, “It has high semantic similarity with my taste preferences.”

You just say, “Ma, the dosa here tastes just like yours.”

That’s what embeddings do — they help computers understand meaning instead of just memorizing words.


The chai shop example

Picture this:

  • You have 100 chai shops in your city.

  • Each shop is different — some are crowded, some are fancy, some are cheap, some are near colleges.

  • You want to remember all these differences in a way your brain can compare easily.

So you make a mental note for each shop:

  • Price: low, medium, high

  • Taste: average, good, awesome

  • Ambience: noisy, cozy, premium

  • Distance: near, far

This becomes your personal “map” of chai shops.


Now bring in computers

When AI reads words or documents, it can’t “taste” or “feel” them like we do. But it can turn them into numbers that capture their meaning — just like you turned “chai shop qualities” into categories.

These numbers are arranged in something called a vector (a fancy word for a list of numbers).

Example:

  • “Masala chai near college”[0.2, 0.8, 0.1, 0.9]

  • “Premium cafe cappuccino”[0.9, 0.1, 0.7, 0.3]

Now the computer can measure how similar they are just by comparing the numbers!


So, what are vector embeddings?

  • Vector = a list of numbers.

  • Embedding = a way to represent words, images, or documents as numbers that capture meaning.

These embeddings help AI find relationships:

  • “vada pav” is closer to “samosa” than to “ice cream.”

  • “Cricket” is closer to “Virat Kohli” than to “Ronaldo.”


Why should you care?

  • Google Search: Finds relevant results even if you use different words.

  • ChatGPT: Understands concepts, not just keywords.

  • Spotify: Groups your favorite songs by feel, not just by singer.

In short, embeddings help AI “understand” things like we do — but using math instead of intuition.


How I explain it to my mom

If I had to summarize in one line:

“Ma, embeddings are how computers remember things — not by exact words, but by the ideas behind them.”

It’s like how you know “your chai” is better than “hotel chai” without writing a review — you just feel it. AI can’t feel, but embeddings give it a way to measure meaning.


TL;DR

  • Embeddings = meaning stored as numbers.

  • Similar things end up close together.

  • AI uses this trick for search, recommendations, and smart chat.

So next time someone asks you about embeddings, just say:
"It’s how AI picks the best chai shop without even tasting the tea."


0
Subscribe to my newsletter

Read articles from Dhaval Bera directly inside your inbox. Subscribe to the newsletter, and don't miss out.

Written by

Dhaval Bera
Dhaval Bera