: Specifies the video resolution (960 x 540 pixels), which is a standard sub-HD quality.
: A high-compression archive format that can be opened using the 7-Zip utility. CA 2019-1-540p.7z
Based on standard file-naming conventions often found on file-sharing platforms or forums like Reddit or the Internet Archive , the name can be broken down as follows: : Specifies the video resolution (960 x 540
The string appears to be a filename for a compressed archive file (indicated by the .7z extension) likely containing video content. " or a specific series/category designation.
: Often refers to "Captain America," "California," or a specific series/category designation.