T

tab or page tab

The protruding item you click at the top of a page in a dialog box or Ribbon to display the page. Often used as a reference to the page itself (as in the Developer tab on the Office 2007 applications' Ribbon).

tab order

The order in which VBA moves the focus to controls in a user form or frame when you move through them by pressing the Tab key (to move forward) or the Shift + Tab key combination (to move backward).

test case

A variable or expression used to evaluate a Select Case statement.

textual comparison

A comparison that isn't case-sensitive.

trap

To catch an error with code (typically so that you can handle it with an error handler).

twip

A unit of measurement used to express position or size. One twip is 1/1440 inch.