MP4 (MPEG‑4 Part 14) has become the de‑facto standard for delivering video content across platforms because it balances compression efficiency with broad compatibility. For idol groups, whose fanbases consume media on smartphones, tablets, and PCs, an MP4 container ensures that the video can be streamed without sacrificing accessibility.

To understand how a database parses a complex keyword string like this, we must break it down into its core components:

: The standard file extension for MPEG-4 Part 14 video files. Including file extensions narrows down search results to direct media downloads or streaming links rather than text articles.

Understanding how these elements combine provides deep insight into modern database structures, digital asset management (DAM), and international media localization. Anatomy of a Media Asset Keyword String