This was created for the Mac OS X operating system. Unlike the old operating environment versions, the font is stored in the thread of a data file instead of in resource threads. It’s been used as a container for TrueType fonts since 2009 after the release of Mac OS X 10.6, and is gradually replacing the TrueType Collection.
This is an image format that can be transmitted over analog broadcasting channels. It has a 16-bit structure, and it is transmitted using a three-component YUV color model. One component is responsible for brightness, and the remaining two account for differences in color.