The term "fude" refers to a tool made out of a stem (thin stick such as bamboo tube) with a brush (a bundle of fiber) on the top, which is used for writing and painting.
筆（ふで）とは、軸（竹筒などの細い棒）の先端に毛（繊維の束）を付けた道具であり、筆記具・画材などに使われる。