The function make-timer
creates and returns an unnamed timer. The function argument is a function to be applied to the remaining arguments when the timer expires. Use the function schedule-timer or schedule-timer-relative to set an expiration time.
Note that the function make-named-timer creates a named timer.
make-named-timer
make-timer
schedule-timer
schedule-timer-milliseconds
schedule-timer-relative
schedule-timer-relative-milliseconds
timer-expired-p
timer-name
unschedule-timer
Timers
LispWorks User Guide and Reference Manual - 13 Feb 2015