Well, they are just a manifold, so it's fair for them to view every conceptual thing in geometry.

Mine loves "slices". Everything is a slice.

I hate when it starts talking about code in terms of planes. I have no idea what it means. I guess it's better than talking about heaps of spaghetti with noodles connecting to each other, but that would be much closer to what it actually writes.

Landing the plane.

See also, surface.