: Likely the project or "set" name. In many online communities, "SS" prefixes often refer to "ScreenShots," "Sample Sets," or specific creator initials. v-019 : Represents the version number or volume (Volume 19).
: Specifies that this is the third part of a split archive. Understanding Split Volumes
: Splitting files is usually done to bypass upload limits on file-hosting services or to make downloading more manageable for users with unstable internet connections. Digital Curation and Distribution
: This specific file ( .003 ) is useless on its own. To extract the content, a user must also possess .001 and .002 .