Being able to do the splits is a remarkable feat. If you're not quite bendy enough to strike the pose (it me), you might think the splits are reserved for a select few elite. Don't count yourself out ...
Plus, there's less stress placed on your back. Barbell squats generally put more pressure on the spine, which isn't an issue ...
SIMPLY PUT, WEIGHT training is training your body with external weights, typically implements like dumbbells, kettlebells, ...