| Term | Definition |
| Button | By clicking this, you choose a command and give the program instructions about what you want to do |
| Contextual tab | Appears on the Ribbon only when you select certain items in a file, and contains commands related to that item |
| Dialog box | A window that opens on top of a program windon |
| File extension | A series of letters that Office adds to the end of a file name that identifies in which program the file was created |
| Gallery | Shows the options available for a command |
| Group | The commands on each tab are organized into groups |
| Home page | The first page that opens when you start your browser |
| Icon | A small picture |
| Insertion point | Shows where text will appear when you start typing |
| Internet | A vast network of computers located all over the world and linked to one another |
| Link | Text, often colored and underlined, or a graphic that you click to "jump" to another location or Web page |
| Live Preview | Lets you see how a gallery option affects your file without making the change |
| Menu | List of other commands related to the button |
| Microsoft Office 2007 | A collection of software programs |
| Mini toolbar | Appears in the work area after you drag the pointer over text while holding down the left mouse button |
| Office Button | In all Office programs, you open, close, and save files with this button |
| Program window | Rectangle that contains the open program, tools for working with the file, and the work areas |
| Quick Access Toolbar | Provides access to commonly used commands |
| Ribbon | "Command central" for the office programs |
| Screen Tip | A box that appears when you point to a button |
| Scroll bar | Shifts other areas of the file into the work area |
| Shortcut menu | Apprears when you right-click something in the program window |
| Sizing button | Changes the size of the program window and exits the program |
| Status bar | Contains information about the current file and process |
| Tab | Appears on the Ribbon and organizes the commands into related tasks |
| Task pane | A pane that opens on the right or left side of the program window |
| Title bar | Shows the name of the program and the current file |
| Toolbar | Contains buttons that you click to perform common tasks |
| Uniform Resource Locator (URL) | The address of a Web page on the Web |
| Web browser | Software used to view Web pages |
| Work area | Displays the file you are working on |
| World Wide Web (Web) | A system of computers that share information by means of links on Web pages |