What are the different types of wood screws available in the market and how do they differ from each other?

There are several types of wood screws available in the market, including flathead, roundhead, and countersunk screws. These screws differ in their head shapes and are designed for specific applications. Flathead screws have a flat top, roundhead screws have a rounded top, and countersunk screws have a tapered head that sits flush with the surface of the wood. Each type of screw is used for different purposes and offers varying levels of holding power and aesthetic appeal.