Scenes are combinations of different appliances that can set to turn on in a preset manner. For ex: You can set a combination of lights in your house to create a movie scene or set another combination of appliances to turn on to create a party scene.

To set scenes:
Go to scenes > scenes > tap on + button. Select the scene. In the New scene: name the scene>select the room to play the scene> select the respective appliance to form the scene and also choose on/off button for each of them.Once done, click on create.