Patterns 1 and 2 are worked in Muragi; The Holbein stitch is worked as zig-zag lines.
The third and fourth require a bit more attention and concentration. They are worked in Ganti style; uses horizonatal, vertical and diagonal lines.
uses the same technique as weaving.
The image below showcases of the reverse side of fabric. You can see why Kasuti is called reversible. Except for the finished ends woven in, the pattern looks exactly the same on both sides of the fabric.