: These are likely internal source tags or provider codes used by content aggregators or distributors.
: Curated sets of photography, design assets, or video clips bundled for distribution.
: Often represents a date (February 15) or a specific batch/volume number.
: SKU identifiers for product bundles in Asian marketplaces.
: Naming strings used for organized metadata in large media libraries. Technical Observations
The presence of "garbage text" or Mojibake (e.g., 精品合集 ) suggests the text was originally encoded in but interpreted through a different character set (like Windows-1252), which is common in cross-platform file transfers between Eastern and Western systems.
The identifier appears to be a specific filename or database entry, likely associated with a curated collection of digital media or products. Breakdown of the Identifier