What does "cutting windows" mean? Good "sentence" or "gathering"

I have a saying that it is good to cut the window.

It means: write a wonderful poem by accident, and then spend the night with your bosom friend, deliberating words and phrases.

I don't want to comment on your poetry couplets here. Everyone has different preferences and tastes. Personally, I prefer couplets, but even lines have some defects.

As shown in the figure: