What are the different types of red wine and how do they differ from each other?

There are several types of red wine, including Cabernet Sauvignon, Merlot, Pinot Noir, and Zinfandel. These wines differ in taste, body, and aroma due to factors like grape variety, region, and winemaking techniques. Cabernet Sauvignon is known for its bold flavors and tannins, while Merlot is smoother and fruitier. Pinot Noir is lighter and more delicate, while Zinfandel is often jammy and spicy. Each type of red wine offers a unique drinking experience based on these characteristics.