Every device (module or control) has a unique address. To allocate this address to your programming, you need to be either connected to the installation via the connected controller or wireless smart hub, either enter manually the addresses printed on each module or control.
The connected controller or wireless smart hub controls the devices based on their unique address.
In the right-hand button bar you can choose what you want to address:
You can choose the order in which you address these. That is why you start from the same starting point in all the cases.