n.A small protrusion used to grasp or for a label.A part of a file guide or folder that extends from the body and is used for a label.ComputingA control character used to lay out data or as a delimiter between fields.


Tab3 typically connotes key on a keyboard or computer control character (ASCII 9) used to organize information into columns and is often used to indent the first line of a paragraph. The same character is sometimes used as a delimiter between fields in data files. The vertical tab character (ASCII 11) controls vertical spacing.