noun
strength of brushwork; power of the pen; writing ability
Refers to the vigor, skill, or expressive power in calligraphy, painting, or literary composition. Often used in artistic or literary contexts.
彼の書には筆力が感じられる。
You can feel the strength of his brushwork in his calligraphy.
この小説は筆力のある作家によって書かれた。
This novel was written by an author with real literary power.