This page is an entry in the Key.
The term “pre-shutter” refers on this website to any time before the exposure is ended, including “during the exposure.”
TCQ’s definition of “pre-shutter” (“anytime before the exposure is ended”) matters because the end of the recording process marks an important transition point in the making of a TCQ photograph.
When it comes to non-“light”-related aspects of photographs, TCQ makes a strong distinction between visual effects determined by things that occur before the exposure is ended vs. visual effects determined by things that occur after the exposure is ended. More
There is by definition no interval of time between the end of the “pre-shutter” period and the beginning of the “post-exposure” period.
Everything that affects a photograph happens during one of those two periods.
The brief “Before vs. after” expands on these themes