Red wine is a diverse category known for its rich flavors and complex aromas, often featuring notes of dark fruits, spices, and earthy undertones. Common grape varieties include Cabernet Sauvignon, Merlot, Pinot Noir, and Syrah, each contributing unique characteristics. Notable regions such as Bordeaux, Napa Valley, and Tuscany are famous for their distinct expressions. Interestingly, red wines often benefit from aging, enhancing their depth and complexity over time.