Scenes are where you can add and arrange various sources in XSplit Broadcaster. There are 12 scenes available in XSplit Broadcaster. You can rename a scene by left-clicking on the scene and rename the scene using the white box at the top.
You can use the scene source area to arrange your sources in a scene. You can add/remove sources, open the source settings window, and order the sources via drag and drop or using the arrows on the right.