First, the one in the upper right corner is called "Chapter 1", and its contents are generally famous sentences and idioms. There are two square seals on the lower left, the top of which is generally called "famous seal", which should be Zhu Miaogen's own famous seal, and the bottom of which is generally "famous seal". Scholars have famous seals besides their names; In the line of "Poetry Talk", the round chapter at the lower corner of the word "Du" is a casual chapter, and the content is generally elegant words or famous sayings and idioms, which need to be stamped in order to arrange the composition. The picture is not clear, and you can't see what words are engraved.
Second, there are different ways to write the word "window", as follows.
Thirdly, this calligraphy work has won the Samadhi of Sha Menghai, and the author Zhu Miaogen is an influential member of Xiling Printing Society, so the level is naturally very high.