Virtual Switches

HE has a LOT more functionality than ST. Be sure to start reading up on all the built-in apps that are a click away. Some apps, like Room Lighting and Groups & Scenes, help with the process of tying a virtual switch to groups of lights and lighting automation in general. Those are barely the tip of the iceberg.

Here's some light reading to get you going:
https://docs.hubitat.com/index.php?title=Hubitat_Elevation_Documentation

It doesn't look like Room Lighting has been added to the regular docs yet, but you can read about it here:

Also, be sure you HE is updated fully, including the Z-wave firmware before you start adding anything. Will save you potential headaches.

Here's the post about the Z-wave update. If you don't have the firmware update button then you're probably already updated. There's a URL in the post to check.