Literature Reference: The straight line is as smooth as a brushstroke. Source from 'Little Boy Xue Yang Tao Plays the Bili Song'.
笔: The brush pen, a tool for writing and painting, later came to symbolize the instruments for calligraphy and drawing, embodying the art of writing and the techniques of brushwork.
描: Depiction. Description. Used in names without literal significance.
Meaning: Brushstroke means to depict with a brush, symbolizing smooth and delicate lines, representing meticulous observation and expression.