C terms

Temporary files stored to help websites load faster.

Like keeping frequently used items within easy reach.

Redirecting incoming calls from one number to another automatically.

Like setting your office phone to route calls to your mobile when you step out.

A feature that displays the name or number of someone calling you before you answer.

Like seeing a name through a window before opening the front door.

A test on a website to check you are a human and not an automated programme, such as identifying objects in photos.

Like a doorman asking a question only a human could answer before letting you in.

Text written below a photo or video on social media to describe or add context to it.

Like the label beneath an exhibit in a museum.

A reward where a percentage of what you spend is returned to you as cash or credit.

Like getting a small rebate at the end of a purchase.

Sending a copy of an email to additional recipients who are not the main audience but should be kept informed.

Like sending the same letter to multiple people at the same time.

A network of servers around the world that stores copies of website content to deliver it faster to users nearby.

Like having warehouse branches in every city so deliveries arrive faster.

A digital form of a country's official currency issued by its central bank.

Like a digital version of physical banknotes issued by the government.

A reversal of a credit card payment initiated by the bank after a dispute with a merchant.

Like asking the bank to reclaim money on your behalf after a failed transaction.

A device used to recharge batteries.

Like filling a fuel tank at a petrol station.

A digital space where multiple people can send and read text messages at the same time in real time.

Like a virtual lounge where everyone arrives and talks together at once.

A computer program that can have conversations with people.

Like a customer service representative that never sleeps.

The final stage of online shopping where you review your cart, enter payment details, and confirm the order.

Like the cashier counter at a physical shop.

Deleting temporary files stored by an app to free up space and fix performance issues.

Like clearing the clutter from a desk so there is space to work properly again.

A technique where a hidden button or link is placed over a visible element to trick you into clicking something unintended.

Like someone placing a transparent layer over a door sign that actually opens a different door.

A temporary storage area on your device that holds the last thing you copied.

Like a sticky note you can attach somewhere else after writing.

An automatic copy of your phone's data saved to an online server so it can be restored if your device is lost or broken.

Like photocopying all your important documents and keeping the copies in a bank vault.

Using remote servers accessed over the internet to store, process, and manage data instead of a local computer.

Like renting office space and equipment instead of building your own — powerful resources available on demand.

Printing a document from your phone or computer to a printer connected to the internet, without a direct cable connection.

Like sending a printing job by post — the printer is somewhere else but receives and prints your document.

Online space used to save files and photos.

Like renting a storage locker on the internet.

The set of colours used consistently throughout an app or website.

Like the uniform colours of a company — consistent across everything they produce.

A response left on online content.

Like writing a note in the margin of a book.

The rules of behaviour set by a social media platform that all users must follow.

Like the house rules posted in a community centre — everyone using the space must abide by them.

Whether two pieces of software or hardware work correctly together.

Like checking if a new plug fits the socket before buying an appliance.

AI that enables computers to interpret and understand visual information from images and video.

Like giving a computer eyes and teaching it to understand what it sees.

A service that allows multiple callers to join the same phone call simultaneously.

Like a junction box that connects many phone lines into one shared call.

Using digital data to identify people who may have been exposed to an infectious disease.

Like following a trail of footprints to find everyone who passed through the same area.

Paying by tapping a card or phone.

Like opening a door with a key card.

The maximum amount you can pay by tapping a card without entering a PIN, for security reasons.

Like a shop policy where you can pay with a wave up to a certain amount before needing to sign.

Someone who regularly produces and shares videos, photos, or articles online for an audience.

Like a columnist who writes for a newspaper, but publishing independently to their own audience.

Software that blocks access to certain websites or content types based on rules.

Like parental controls on a TV that prevent certain channels from being viewed.

The process of reviewing and removing posts that violate platform rules.

Like an editor reviewing submissions before they appear in a newspaper.

A small file that remembers your preferences on a website.

Like a waiter remembering your favourite order.

A notice on websites asking for your permission to store cookies on your device.

Like a shopkeeper asking if they may take your name and preferences before serving you.

When an app or operating system stops working suddenly and closes itself.

Like a car engine stalling unexpectedly in the middle of the road.

A log automatically generated when an app crashes, used by developers to find and fix the cause.

Like a flight recorder — it captures what happened just before the problem occurred.

A payment card that lets you spend money up to a limit and pay it back later, sometimes with interest.

Like borrowing a fixed amount from the bank each month to spend, then settling the bill.

A digital tool that stores the keys needed to access and manage cryptocurrency.

Like a physical wallet, but for digital currencies — it holds the proof of ownership, not the coins themselves.

The 3-digit security code on the back of a payment card, required for online purchases.

Like a PIN for online transactions that proves you physically have the card.

A deliberate attempt by hackers to damage, steal from, or disrupt a computer system or network.

Like a physical break-in, but targeted at digital systems instead of buildings.

Using digital technology to harass, threaten, or humiliate someone.

Like bullying in the playground, but done through phones and social media instead.