茶叶, or tea leaves, are the dried leaves of the Camellia sinensis plant, which is used to produce various types of tea. These leaves can be processed in different ways to create green, black, oolong, and white teas, each with unique flavors and characteristics. The processing methods include oxidation, drying, and fermentation, which influence the final product's taste and aroma. Tea is one of the most popular beverages worldwide, enjoyed for its refreshing qualities and potential health benefits. It contains antioxidants and can be served hot or cold. In many cultures, such as in China and Japan, tea drinking is an important social ritual, often accompanied by specific ceremonies.