Tab

 

1. An indentation at the beginning of a line to signify a new paragraph in a document. Usually about five spaces, tabs are primarily used to help create equal spacing between multiple lines and to start a new paragraph. When formatting marks are visible tabs are represented by an arrow pointing to the right, as shown in the example picture to the right.
2. In a software program window and on the Internet, a tab allows for the user to access different parts of a menu, display, or page. below is an example of what tabs may look like in a Microsoft Windows window.

Use the keyboard shortcut Ctrl + Tab to switch between open tabs in a document or web browser.

3. May refer to a tab of an open window in tabbed browsing.

4. A keyboard key that inserts a tab character or advances the cursor to other tab settings on a line. This key can also move between selectable items in a dialog box. In the picture to the right, is an example of what the tab key may look like on the keyboard.
5. Small plastic piece used to enable/disable write-protection on floppy diskette drives.