Visual or audio presentation of physical aggression on screen — morally neutral representation. Core factor in rating classifications.
How you film a fight scene determines whether your film will be rated PG-12 or R. Depiction of violence is not the violence itself, but how it becomes visible or audible on camera—the rhythm of the editing, the camera position, the volume of the impact. The FSK (German rating board) is less interested in the plot than in the sensory intensity with which viewers experience physical aggression.
On set, you have to decide: Do you show the impact directly, or do you cut away? Do you hear every bone crack, or do you dampen the sound? A fist coming into frame and then cut—that's one level. A 3-second close-up of blood on a cheek—a completely different one. Directors like Haneke deliberately play with this tension: extreme violence that you don't see is often more disturbing than what you make visible. Conversely, an action movie fight scene with quick cuts, bright colors, and pop music can de-dramatize the same physical aggression—PG-12 instead of R.
Practically, this means: Work closely with your editor. Not only the shot counts, but also the edit length and the transitions. A fight scene where you cut between a face and a fist feels different than parallel cut perspectives. Pay attention to the sound design level—injury sounds can feel harsher than the visual image. And don't forget: The consequences of violence—blood, swelling, restricted movement—are often more relevant to the rating than the action itself.
The gray area lies in the contextualization. Violence that is morally condemned can often be harsher than violence that is glorified. A film about domestic violence with realistic consequences will be rated more strictly than a superhero film with the same impact frequency, because the emotional proximity and the lack of a fantastical framework intensify the viewer's experience. You, as a director, need to know this before you shoot the first scene.