Video editing involves manipulating and arranging video footage, audio, effects, and transitions to create a cohesive and engaging video. It includes tasks like trimming, cutting, merging, adding effects, adjusting colors, inserting audio, and enhancing the overall visual and auditory quality of the video content. Video editing software like Adobe Premiere Pro, Final Cut Pro, or DaVinci Resolve are commonly used for these purposes, allowing editors to craft professional-quality videos for various purposes, including movies, commercials, YouTube content, and more.