Ummm I hav no clue xD

Click workouts at the bottom of the screen then click filter then add back as a filter and will show u workouts for your back

The survivor is pretty good for the back lots of punching exercises which work the back muscles

In general if you are pulling on anything you are working out your back.  Even at home you may be able to find something to do pull ups on, exposed beam in basement, tree branch in backyard etc.

If you don't have any weights you can find 2 things that are equally heavy to do bent over rows.  You can fill backpacks with soup cans etc.  Since im asian I've done this with bags of rice lol.  Just make sure they're heavy enough for you to get a good workout.

Lying on your back on the ground fully extended and pulling yourself up works too if you can find a way to do this.

Back exercises would include lats exercises wouldn't  it?

You can see one of my back workouts in my pics.