So once again, it's defined there as well. Let's do another one of these. Oh, and actually I didn't include, I think that this takes care of this problem, but there's a third scenario in which we have, I'll call it a sharp turn. A sharp turn. And this isn't the most mathy definition right over here, but it's easy to recognize. A sharp turn is something like that. Or like, or like, well no, that doesn't look too sharp.