It's actually a pretty literal name and not as metaphorical as the Jedi sometimes get, though Anakin has never actually tried to count the number of fountains and waterfalls in there.

At Han's words, Anakin shifts a little to look up at him before rolling his eyes. Figures. Still, he pushes himself into a standing position readily enough, brushing off some wayward bits of grass as he does so. "You'd be amazed at how handy those skills can be. Out for a stroll?"