This is the 7187th most frequent Japanese word.
一筆
"一筆" (いっぴつ) means "a stroke of a brush" or "a brief written note."
The word 一筆 refers to a brief remark or a small note in this context.
この書類に一筆書いてください。
Please write a small note on this document.
Here, 一筆 signifies a small writing or an additional remark added to a written text.
彼は手紙の最後に一筆を加えた。
He added a short postscript at the end of the letter.
In this sentence, 一筆 refers to a single stroke of a brush in art.