1. Wine is an alcoholic beverage made by the natural fermentation of freshly gathered ripe grapes according to local traditions and practices.
2. There are over 5000 grape species but only a few varieties like Cabernet Sauvignon, Chardonnay, and Riesling are suitable for wine production.
3. Climate, soil type, grape variety, and viticulture techniques directly impact the quality of grapes and finished wine.