A shot enters the frame organically through movement or dissolve—not a hard cut. Creates smoother narrative flow and spatial continuity.
You're in the edit suite and realize: a hard cut would tear it here. The scene needs flow. That's precisely where you reach for ingression — that technique where new information, a new character, or a new location doesn't enter the frame via a cut, but rather moves or builds itself in organically. No caesura. No jump cut. Instead: continuous space-time that gently opens up.
The practical application is diverse. An actor walks through the frame, and only then does a second one become visible behind him — he was outside the frame before. Or the camera pans, and a new action is revealed. An object is removed, and something else lies behind it — revelation through movement instead of editing. This isn't editing rhetoric, but spatial syntax: the cut hides behind the logic of space itself.
On set, you plan for this. The actor must be positioned precisely so they can reveal the next layer. In the edit, you only recognize the opportunity when reviewing the footage — sometimes it arises unintentionally, sometimes it's directorial intent. Kubrick used this obsessively: a character enters a room, and behind them, architecture and action are revealed simultaneously. With Spielberg, we see it in action sequences: the hero runs, and what we see emerges from his movement — not from cuts.
The advantage lies in narrative fluidity. Audiences don't experience editing grammar, but a continuous space that reveals itself. This creates immediacy. At the same time, it's technically tricky: timing, positioning, depth of field — everything must be right. An ingression that doesn't land feels accidental rather than elegant.
Related techniques include focus pulls (focus reveals the new layer) or continuous action (movement itself serves as the transition). The difference: ingression is deliberately staged to conceal transitions. It works against editing awareness — that's its strength.