Literal meaning of Black tea means the tea served without milk, which is fully fermented before drying. Black tea is also known as Orthodox tea that is more is more oxidized than oolong, green and white teas..All four types are made from leaves of the shrub or small tree. Black tea is generally stronger in flavor than the less oxidized teas.
Assam tea is a black tea named after the region of its production, Assam, in India. Assam tea is manufactured specifically from the plant Camellia sinensisor assamica (Masters). This tea, most of which is grown at or near sea level, is known for its body, briskness, malty flavor, and strong, bright color. Assam teas, or blends containing Assam, are often sold as “breakfast” teas. For instance, Irish breakfast tea, a maltier and stronger breakfast tea, consists of small-sized Assam tea leaves
The languages of neighboring countries, black tea is known as “red tea” or Lal cha, a description of the color of the liquid; the Western term “black tea” refers to the color of the oxidized leaves. In Chinese, “black tea” is a commonly used classification for post-fermented teas, outside of China and its neighboring countries; while green tea usually loses its flavor within a year, black tea retains its flavor for several years.