The term you're looking for is "Editing."
In the context of film and video production, the post-production stage involves various processes to finalize and enhance the project after the filming or recording is complete. One crucial aspect of post-production is editing.
Editing involves selecting and arranging the recorded footage or content to create a coherent and visually appealing final product. This process includes cutting and trimming scenes, arranging shots in a specific order, and adjusting the pacing to achieve the desired narrative or visual impact. Editors often work with software tools to manipulate the footage, add special effects, incorporate sound, and ensure a seamless flow from scene to scene.