Technical
Source
One ingredient inside an OBS scene: a game capture, webcam, image, browser overlay, or mic. Scenes are just stacks of sources.
Related terms
- Scene
A full-screen layout in OBS — like 'Starting Soon,' 'Gameplay,' or 'Just Chatting' — that you switch between while live. Each scene is built from sources.
- OBS (Open Broadcaster Software)
The free, open-source app most streamers use to broadcast — it captures your game, webcam and mic, mixes them into scenes, and sends the stream to your platform.
- Overlay
The graphics layered on top of your gameplay — webcam border, alerts, recent-follower box, chat box, etc.