Glossary

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Term	Explanation
Accessibility features	Functions (for example zoom and keyboard shortcuts) that make software easier to use
Address bar	The bar where you enter Web addresses (URLs)
Bookmark	Shortcut (stored in the Bookmark panel) that takes you to a Web page
Browser	Computer software used to visit Web sites
Certificate	Used as an "ID card" between you and a secure Web service
Clipboard	Temporary storage place for text, images, or other information you copy and paste
Cookie	Small file saved on your computer by a Web site in order to remember you
DES	Strong method of data encryption
Desktop	The area behind all the applications on your computer screen
Download	To transfer a file from a remote computer to your computer
Double-click	To rapidly click your mouse button twice
Drag and drop	Moving something from one place to another using the mouse
Frames	Small Web documents that together build a full Web page
History	Panel in Opera containing a backlog of Web pages you have visited
IRC	Internet Relay Chat protocol and universe of people chatting
Java	Programming language developed by Sun Microsystems
JavaScript	Non-standardized programming language used to make Web pages more dynamic
Messages	Collective term for e-mail messages and news articles
MIME	Method used by servers to identify files sent to your computer
National domain	Domains such as .no for Norway and .jp for Japan
Panels	The area on the left of the Opera application window with the Bookmarks, Mail, and Contacts icons
Personal bar	Toolbar with quickly accessible links and search engines
Pop-up	A new window which "pops up" on your screen (usually log-in or advertisement)
Preferences	Options you can set in Opera
Protocol	A set of rules that define how computers communicate
Proxy server	A computer that translates information between your computer and a Web server
Right-click	To click the right button on your mouse
RSS	Really Simple Syndication, protocol for distributing newsfeeds from the Web
Server	A computer that can send Web pages, e-mail, news, etc. to your computer
Service provider (ISP)	The organization that hosts your Internet services
Session	A saved representation of pages and application windows
Skin	Graphics that change or liven up the user interface
Source	A document that describes the content of a Web page
SSL	Security Socket Layer (security protocol used on the Internet)
Style sheet (CSS)	A file that describes layout, fonts, and colors on a Web page
Top-level domain	Domains such as .org, .net, and .com
TLS	Transport Layer Security (security protocol used on the Internet)
Upload	To transfer a file from your computer to a remote computer
User interface	Menus, dialogs, buttons, and input fields used to interact with software
View	Folder-like access point to a group of messages that have something in common
Wand	Opera's password manager for automatic log-in to Web sites