Accounts
A user account is ideal if you have more than one person using a PC, as it allows each user to keep their own settings and styles.

Address Book
Address Book

Aero
This is the new glass-effect Windows style that allows for transparent windows, menus and other visual tricks.

Application
A program designed for the computer user, such as database programs, word processors, and spreadsheets.

Bandwidth
The average amount of data your Internet connection can transmit over time. Bandwidth is measured in either kilobytes per second (KB/s) or kilobits per second (Kb/s), where 1 kilobyte = 8 kilobits.

Bcc
Blind carbon copy is an email feature that allows you to send copies of an email to a number of recipients without them seeing the list of others who received the message.

Broadband router
A box that sits between your broadband connection and the PC, allowing other computers to share the connection.

Browser
All PCs come with Internet Explorer installed for web browsing but you can use others like Firefox or Opera.

Buffer
The data your PC stores before starting to play the streamed file.

Cell
Each entry in a sheet is known as a cell. Cells are named by their column letter and the row number.

Clipart
Clipart is often provided free with your word processor and is themed across a range of subjects that can be used in any document to liven it up without resorting to photography. You can find more clipart online.

Compression
A reduction in file size, without degrading the quality of an image.

Contact
The collective name for someone and their business or personal details.

Context menu
This is the official name for what you see when you right-click on the desktop, on an icon or when using a program. The menu can show a range of different commands, both from Windows XP and other programs that are specific to the file or folder that you right-clicked on.

Crash
The point at which a hang or other error becomes critical and makes the program stop working completely.

Crop
The cropping tool allows you to remove an unwanted part of a photo by drawing a rectangle around the area you wish to keep.

Customised streaming
This is where you compile your own programme of tracks from your own customised radio station and then stream it with other online listeners.