تعريف control character في الإنجليزية الإنجليزية القاموس.
A character which does not have a direct visual appearance as a glyph, but rather causes some other display action to occur, such as a transition to a new line. Examples are tab, carriage return, and line feed
ASCII characters to indicate carriage return or tab or backspace; typed by depressing a key and the control key at the same time
A character, added to the beginning of each line of text to be printed on a line printer, that controls the movement of paper through the printer before each new line is printed