Practical AI
The desk44 words

AI words in plain English

The words you will meet, explained in one or two lines each.

Academic honesty

Doing your own work and saying clearly when and how you used help, including AI, as your school allows.

No. 6.05 Use AI honestly in school and college →

Agent

An AI set up to take several steps on its own toward a goal, such as searching, filling a form or sending a message. It needs clear limits.

No. 4.05 AI agents explained simply: plan one on paper →

AI (artificial intelligence)

Computer programs that do tasks we used to think only people could do, like writing, answering questions or recognising pictures.

Answer key

The correct answers to a worksheet or test. Always check an AI-made answer key yourself.

No. 6.02 Make a worksheet at three levels, with an answer key →

Apps Script

A free tool inside Google Sheets that runs small programs to automate work. AI can write the script; you test it.

No. 4.03 Automate Google Sheets with a small script →

ATS (applicant tracking system)

Software many companies use to collect and sort job applications. Clear headings and plain text help it read your resume.

No. 7.02 Tailor your resume to one job post →

Automation

Letting software do a repeated task for you, like sending reminders or cleaning a sheet every week.

Bias

When AI answers unfairly lean one way, because of the data it learned from. Check answers about people and groups with extra care.

Brief

A short, clear prompt that gives the AI a role, a task, the context and the format you want.

No. 1.01 Brief it like a colleague →

Chat history

The earlier messages in a chat. The AI uses them for your next answer, so start a new chat for a new topic.

Chatbot

An AI tool you talk to by typing or speaking. It answers in the same chat.

Example ChatGPT, Gemini, Claude and Grok are chatbots.

Code

Written instructions a computer follows. You can ask AI to write simple code and test it without learning to program first.

No. 4.02 Build a working calculator page in one file →

Context

The background the AI needs to answer well: who you are, who the answer is for, and any facts it must use.

Example "I run a small bakery in Pune and reply to customers on WhatsApp."

Context window

How much text the AI can read and remember in one chat. Very long chats or files may go past it, and early parts get forgotten.

Deepfake

A fake video, photo or voice made with AI to look or sound like a real person.

Fact-check

Checking a claim in a source you trust before you use it: an official site, your records or an expert.

No. 1.05 Check the facts: stop made-up answers →

Few-shot prompting

Giving the AI one or more examples of what you want before you ask. The examples teach it the style.

No. 1.02 Show one example of what you want →

Follow-up

A second message that improves the first answer, instead of starting again.

Example "Shorter, and remove the second paragraph."

No. 1.04 Fix a bad answer with follow-ups →

Format

The shape you want the answer in: a list, a table, steps, a word limit or a tone.

No. 1.03 Get the format you need: tables, lists, limits →

Formula

An instruction in a spreadsheet cell that calculates something, like a total. AI can write formulas for you.

No. 2.03 Clean data and get Google Sheets formulas →

Free plan

The no-cost version of a tool. It usually has daily limits, and the limits change. Check the tool's own page.

Gemini Notebook

A free Google tool that answers questions using only the documents you upload, and shows where each answer came from. It used to be called NotebookLM.

No. 2.05 Summarise a long document without losing the key points →

Generative AI

AI that makes new content: text, images, audio or video.

Hallucination

When AI states something false as if it were true, such as a fake fact, number, law or link.

No. 1.05 Check the facts: stop made-up answers →

Hook

The first line of a post or video that makes people stop and pay attention.

No. 3.02 Write a 30-second video script with a strong hook →

HTML

The language web pages are written in. One HTML file can be a small working tool you open in a browser.

No. 4.02 Build a working calculator page in one file →

Image generator

An AI tool that makes a picture from a text description.

No. 3.03 Turn an idea into a good image prompt →

Image prompt

The description you give an image generator: subject, style, colours, layout and what to leave out.

No. 5.03 Make a festival offer poster →

Knowledge cutoff

The date after which a model has no training data. It may not know about recent events unless it can search the web.

Large language model (LLM)

The kind of AI behind chatbots. It learned from a very large amount of text and predicts good next words.

Mock interview

A practice interview. AI can ask questions one at a time and give feedback on your answers.

No. 7.04 Practise an interview, one question at a time →

Model

The AI system itself. One company can offer several models; some are faster, some are better at hard tasks.

Placeholder

A blank in square brackets, like [your number], that keeps private details out of a prompt. You fill it in later.

Privacy

Keeping personal and private information safe. Never paste OTPs, IDs, bank details or other people's data into a chatbot.

Prompt

What you type to the AI: your question, request or instructions.

No. 1.01 Brief it like a colleague →

Speech-to-text

AI that turns spoken words into typed text, like voice typing.

Summarise

Ask the AI to shorten a long text into the main points. Always tell it who the summary is for.

No. 2.05 Summarise a long document without losing the key points →

Template

A reusable text with blanks you fill each time, like [customer name] or [date].

No. 5.02 Reply to customers fast and politely →

Text-to-speech (TTS)

AI that reads text aloud in a computer voice.

No. 3.04 Prepare a voiceover and captions →

Token

A small piece of text, often part of a word, that AI counts. Limits on how much you can paste are often counted in tokens.

Tone

How the writing sounds: formal, friendly, firm, simple. Show the AI an example of your tone to get it right.

No. 3.01 Write a post that sounds like you →

Training data

The text, pictures or other material an AI learned from. It can be old, incomplete or biased.

Voice cloning

Using AI to copy a person's voice from a short recording. Scammers use it to fake calls from family or bosses.

Web search (in a chatbot)

Some chatbots can look things up online while they answer. Ask for the links and open them to check.