Are all red wines made from grapes? If red wine is made from mulberries, can it be called red wine?

Mulberries made into red wine cannot be called red wine.

Red wine is a general term for wine, and does not necessarily refer to red wine specifically. There are many ways to classify red wine. In terms of finished product color, it can be divided into three categories: red wine, white wine and pink wine. Red wine can be subdivided into dry red wine, semi-dry red wine, semi-sweet red wine and sweet red wine, while white wine can be subdivided into dry white wine, semi-dry white wine, semi-sweet white wine and sweet white wine. Pink wine is also called rosé wine and rose wine.