What is tea?

Tea is the bud leaf of evergreen woody plant tea of Theaceae, also known as bitter tea, tea, preserved tea, tea bud, bud tea, fine tea and so on. Tea is a kind of drink, a natural product, a kind of rice, oil, salt and vinegar tea, and a symbol of culture. Therefore, tea has different understandings according to different times, different symbolic meanings, different people and different life scenes.