Matcha is finely ground powder of specially grown and processed green tea leaves, traditionally consumed in East Asia.
Hojicha is a Japanese green tea. It is roasted to prevent oxidation and produce a light golden color, as opposed to other Japanese teas which are steamed.
Sencha is a type of Japanese green tea which is prepared by infusing the processed whole tea leaves in hot water. Sencha is the most popular tea in Japan.
Japanese black tea is made from Japanese tea leaves. It is more mild flavor and relatively low astringency than other black teas.