ink marks; handwriting
Refers to the physical traces of ink left by a brush or pen, often with a literary or calligraphic feel. Used for the visible result of writing rather than the act of writing itself.
Faint ink marks remained on the old scroll.
His handwriting is powerful and overwhelms the viewer.
in bold, vivid brush strokes
Compound of 墨 (ぼく, 'ink') and 痕 (こん, 'mark, trace'). The reading ぼっこん results from a regular sound change where く + こ becomes っこ.