What Is the Purpose of the Workflow Concept Called Bounce

What is the purpose of the workflow concept called bounce out your sounds from a DAW?

A) To normalize elements as individual groups to 90 percent to prevent clipping
B) To trigger right away when called by the game engine without skips or delay
C) To meticulously organize individual files that contain all the music, sound effects and voice-over in the game
D) To properly identify your files so a programmer can help to implement them