The article provided all the information needed in the first sentence so that people would have the knowledge necessary to understand the story being told in the article.
I think its called yokogaki
<span> In the Great Gatsby, Fitzgerald uses symbols to highlight that everything is not what it seems One example is the the green light that symbolizes Gatsby’s wish for a life with Daisy, another could be the Valley of the Ashes, which represents the ugly consequences of America’s obsession with wealth. I'd say that his depiction points out the illusion behind it. </span>