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A code word or phrase used to secure an account with a website. For example, to access your Facebook or online bank account, you'll need a password.


An online service provided by the PayPal company that enables you to pay, send money, and accept payments online. Once you open a PayPal account and add your payment method (credit card or bank account details), you can pay for goods by choosing PayPal if it's offered at checkout.


Short for Portable Document Format, a type of file (see also File type) that is commonly used for government and business forms. You can use the Adobe Reader program or similar to read PDF files, although most smart devices and web browsers such as Chrome, Internet Edge and Safari, can also display pdf files.


A play on the word fishing, this is a type of digital scam that tries to interest or scare you into giving up private information.


The gesture used to zoom in or out on the screen of a mobile device. Using the forefinger and thumb, pinch them together whilst lightly touching the screen to zoom out (make an object smaller in size), or slide them apart whilst lightly touching the screen (pinch outwards) to zoom in (make an object larger).


A social networking site that lets you record things of interest for future reference, and share them with others. It's like an online scrapbook where you collect images of things you like.


A podcast is an audio recording of a show that can be downloaded from the internet to listen to at any time on your device. It can be in the form of a conversation, interview or story on just about any topic.

Pointing device

A device used to point at things on the screen. See mouse, touchpad and trackpad.

Power button

The button that turns a computing device on and off. On most devices, it looks like a circle with a line through it.


A piece of software designed to fulfil a purpose. For example, a web browser is a program used for browsing the internet. A program is also called an application, or app.