What is the editor seeing?

I’m not really sure what the unity editor is seeing when I run multiplayer matches (I’m doing the matchmaker).
Is it showing me the client? Is it showing me the server?

What are you seeing right now? A screenshot is suffice.

Sorry, I had a false assumption about Unet. I thought that running the game in the editor created a separate client and server, which lead to my initial question whether the editor shows the scene from the client side or the server side.

After more reading, I see that in general it will set up a client-host combo. This image misled me:

But I suppose this is the more accurate one in general: