The inclusion of "Arrow S1 2021" points toward a specific window in media distribution. While the popular DC Comics television adaptation Arrow premiered its first season in 2012 and concluded its run in early 2020, the 2021 designation frequently points to alternative media contexts:

In internet terminology, an "Index of" page refers to a web server’s directory listing that has not been masked by a standard user interface or homepage. When users append titles and years to this phrase, they are typically attempting to bypass streaming platforms to download media files directly.

While Arrow premiered in 2012, its legacy continued to draw new viewers in 2021, often looking for the to relive the foundational chapter of the massive Arrowverse franchise. Following five years stranded on a remote island, billionaire playboy Oliver Queen returns to Starling City a changed man, determined to right the wrongs of his father and take down the corrupt elite holding his city hostage.