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Definition: tab


(1) (TABlet) See tablet.

(2) To move the screen cursor or print head to a specified column (the tab stop). Pressing the Tab key on a keyboard moves the cursor horizontally to the right or to the next input field. Shift-Tab moves left. In the ASCII character set, there are codes for horizontal and vertical tabs (see ASCII chart). See tab stop.

(3) (TAB) See tape automated bonding.

(4) A visual identifier in a browser that identifies opened Web pages. See tabbed browsing.

(5) A horizontal menu on control panels and dialog boxes. Clicking the tab jumps the user to that function, and that tab becomes highlighted.



Dialog Box Tabs
On-screen tabs are widely used in control panels. In this example, the Appearance tab is currently selected and highlighted.