Scenes let you control multiple accessories at the same time. For example, you can create a scene called "I'm here" that turns on all of the lights and unlocks the front door — all at once.
To turn on a scene, tap or click it. Or ask Siri. If you set up a home hub, you can also automate a scene.
You must double-tap the scene to go directly to the setting dialog (holding the scene only let you move it in the view).
Below you can see an overview of the Scenes window:
Next up, there is the 'Timers' Window. You may set times that trigger once or repeating timer; set Timers which can be used to trigger scenes:
Lastly, there is the 'Rules' Window, where you can view, create and edit Rules. Rules are the automation part of the App: