You can spot the zig-zag letters from their zig-zag lines. Let's look at the ‘V’ here. That down up movement makes the zig-zag. ‘W’ is the same, only with more diagonals. Down, up ...

Zigzag is the name given to the stylized geometric shapes in general. This includes the zig-zag pattern, diagonals, radial patterns, triangles, squares and other shapes.

While the Huawei Mate XT folds in a zig-zag pattern, Samsung’s will fold inwards on both sides. This will give it better durability since the foldable screen will not be exposed. This approach ...