LESSON 03 / 215·2 min readFoundation

Contents

ReferenceReference guide
01 Understand02 Recall03 Prepare

Words made simple

A few useful meanings before you read the explanation.

AI
Software techniques for tasks such as recognizing patterns, understanding language or generating content.
LLM
A model trained to work with language. It can write or summarize text, but its answer still needs checking against reliable information.
Embedding
A list of numbers that represents the meaning of some content. Similar meanings can produce nearby lists of numbers.
More words from this lesson
Vector
An ordered list of numbers. An embedding is a vector used to represent content for tasks such as similarity search.
RAG
Find relevant information first, then give it to a model to help answer the question. The answer is only as reliable as the information and checks used.
Agent
An application that uses a model to choose its next action within defined limits. It can use tools and continue through several steps.
Deterministic
Following steps or rules defined by code. The model does not decide which step should run next in a deterministic workflow.
Orchestration
Coordinating tasks: deciding their order, passing data between them, and handling waiting or failures.
PAUSE & RECALL

Can you explain it without the notes?

Contents

Use your own words. Explain an example and one limitation before checking the explanation.

Check your explanation

AI and LLM fundamentals

CONNECT IT TO YOUR INTERVIEW

Turn this concept into a clear answer.

Practice this concept
YOUR NEXT STEP

Keep connecting the ideas.

Next lesson: AI, machine learning, deep learning, and generative AI

Adapted from 13_AI.MD · “Contents”. Examples are study fragments; framework behavior can depend on your version.