---
title: "LLM Guides | UCC Workforce Learning"
description: "Guides to large language models (LLMs): what they are, how they produce text, where they go wrong and how to use them well in everyday work."
url: https://workforcelearning.unitedceres.edu.sg/resources/tag/llm/
---

# LLM

Guides to large language models (LLMs): what they are, how they produce text, where they go wrong and how to use them well in everyday work.

[

![](https://workforcelearning.unitedceres.edu.sg/covers/ai-glossary.png)

AI for users

## AI Glossary: Plain-English Definitions of Common AI Terms

Plain-English definitions of the AI terms you meet at work.

UCC Workforce Learning3 min read](https://workforcelearning.unitedceres.edu.sg/resources/ai-glossary/)[

![](https://workforcelearning.unitedceres.edu.sg/covers/embeddings-and-vector-databases.png)

AI for builders

## Embeddings and Vector Databases Explained Simply

How AI tools turn text into numbers so they can search by meaning.

UCC Workforce Learning7 min read](https://workforcelearning.unitedceres.edu.sg/resources/embeddings-and-vector-databases/)[

![](https://workforcelearning.unitedceres.edu.sg/covers/tokens-and-context-windows.png)

AI for users

## Tokens and Context Windows Explained: Why AI Forgets and What It Costs

Why AI tools forget in long chats and how tokens drive cost.

UCC Workforce Learning7 min read](https://workforcelearning.unitedceres.edu.sg/resources/tokens-and-context-windows/)[

![](https://workforcelearning.unitedceres.edu.sg/covers/what-is-an-llm.png)

AI for users

## What Is an LLM (Large Language Model)? A Plain-English Guide

What a large language model is, how it works and where it fails.

UCC Workforce Learning7 min read](https://workforcelearning.unitedceres.edu.sg/resources/what-is-an-llm/)[

![](https://workforcelearning.unitedceres.edu.sg/covers/what-is-an-slm.png)

AI for users

## What Is an SLM (Small Language Model), and When Is Small Better?

What a small language model is and when it beats a larger one.

UCC Workforce Learning6 min read](https://workforcelearning.unitedceres.edu.sg/resources/what-is-an-slm/)[

![](https://workforcelearning.unitedceres.edu.sg/covers/what-is-rag.png)

AI for builders

## What Is RAG (Retrieval-Augmented Generation)?

How RAG lets an AI assistant answer from your own documents.

UCC Workforce Learning7 min read](https://workforcelearning.unitedceres.edu.sg/resources/what-is-rag/)

## Ready to build your first AI app?

Ask about the course, suitable dates, entry requirements or funding. We will help you review the next steps.

[Apply now](https://workforcelearning.unitedceres.edu.sg/contact/?intent=apply&course=TGS-2026066909)[See course details](https://workforcelearning.unitedceres.edu.sg/courses/genai-builder-sprint/) [Have a question? Enquire](https://workforcelearning.unitedceres.edu.sg/contact/?course=TGS-2026066909)

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