You can hang one more, but generally only the first unit is recognized, and hanging more at the back is just a foil.

The meaning of the article is:

Articles include works of various styles, such as poems, plays, novels, scientific papers, narrative, argumentative, expository and practical articles. The article now means "an unfinished work through the ages", "poets should beware of prosperity", "I want to sit on the bench for ten years and don't want to write a word empty", "I want to accumulate sentences into chapters" and "I want to make statements and write chapters". Broader articles also contain the meanings of "learning" and "mystery", such as "understanding the world is learning, and practicing human feelings is an article"