brushstroke; touch of the brush
Refers to the physical stroke or touch of a brush in calligraphy or painting, often with an artistic nuance.
The brushstrokes of this calligraphy are powerful.
literary style; writing style
Describes the distinctive style or touch of a writer, often in a literary context.
画家の筆致が細部にまで行き届いている。
The painter's touch extends to every detail.
His novels are known for their unique literary style.
筆致 focuses on the artistic manner or brushwork quality of writing/drawing, whereas 筆跡 focuses on the identifying trace of a specific person's hand.
Compound of 筆 (brush, writing) and 致 (bring about, effect), literally 'the effect of the brush'. The exact historical derivation is uncertain, but the word has been used since classical times to denote artistic or literary touch.