Depending on the context used, it may refer to the Tab Key on the keyboard or a page of options in a dialog box
The key to be pressed to enter tabs into men or ent files Tabs are treated as white space and are ignored
a button on a computer or typewriter that you press in order to move forward to a particular place on a line of writing = tab
1 Key on a keyboard that is used to move the cursor directly to a tab stop 2 A key on the keyboard that causes the cursor to jump to a specific place such as to indent paragraphs or make columns (Kybdy, Gr 1; WP, Gr 3)
when pressed, moves the cursor to settings that are used to line up columns of text in a document or to move to data entry areas in programs or dialog boxes