👉 In the context of mathematics, a "cranch" is a type of curve that is defined by its tangent plane at a given point. A "cranch" is also known as a "closed curve". In other words, it is a curve that can be traced out without leaving any points in between. A cranch has two main properties: 1. It is a closed curve. This means that the intersection of the curve with the plane at which the tangent line is defined is always a