Answer:

1. An Application button, which presents a menu of commands that involve doing something to or with a document or workspace, such as file-related commands.

2. A Quick Access Toolbar, which is a small, customizable toolbar that displays frequently used commands.

3. Core tabs are the tabs that are always displayed.

4. Contextual tabs, which are displayed only when a particular object type is selected. Tabs that are always displayed are called core tabs.

5. A tab set is a collection of contextual tabs for a single object type. Because objects can have multiple types (for example, a header in a table that has a picture is three types), there can be multiple contextual tab sets displayed at a time.

6. Modal tabs, which are core tabs displayed with a particular temporary mode, such as print preview.

7. Galleries, which are lists of commands or options presented graphically. A results-based gallery illustrates the effect of the commands or options instead of the commands themselves. An in-ribbon gallery is displayed within a ribbon, as opposed to a pop-up window.

8. Enhanced tooltips, which concisely explain their associated commands and give the shortcut keys. They may also include graphics and references to Help. Enhanced tooltips reduce the need for command-related Help.

9. Dialog box launchers, which are buttons at the bottom of some groups that open dialog boxes containing features related to the group.

Explanation:

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