Also, check if "809" has any special meaning. Maybe it's a batch number or project code. If unsure, it's best to note that it's an unidentified identifier.
Alternatively, maybe "carib" refers to a specific project, organization, or code-name. However, without more context, it's safer to assume the Caribbean. The user might be expecting a detailed article on the Caribbean that the video might cover. 091711-809-carib-whole.wmv
So possible interpretation: The file named 091711-809-carib-whole.wmv refers to a Windows Media Video file created on September 17, 2011 (assuming 2011 as the year), labeled as part 809, and is titled "carib-whole", suggesting it is a complete or comprehensive video about the Caribbean region. Also, check if "809" has any special meaning