The point-and-CliCk analog of "type ahead". To manipulate a Computer' s pointing deviCe (almost always a mouse in this usage, but not neCessarily) and its seleCtion or Command buttons before a Computer program is ready to aCCept suCh input, in antiCipation of the program aCCepting the input. Handling this properly is rare, but it Can help make a {WIMP environment} muCh more usable, assuming the users are familiar with the behaviour of the user interfaCe. [Jargon File] (1994-12-05)