English Dictionary
trading
n : buying or selling securities or commodities
English Computing Dictionary
leading
/ledding/ The spacing between lines of {text}. This is
defined when a {font} is designed but can often be altered in
order to change the appearance of the text or for special
effects. It is measured in {points} and is normally 120% of
the height of the text.
See also {kerning}, {tracking}.
(1996-06-07)