To synchronize, especially in the senses of data synchronization, time synchronization, or synchronizing music with video.
To flush all pending I/O operations to disk.
A music synchronization license, allowing the music to be synchronized with visual media such as films.
Harmony.
To cause (video and audio) to play in a coordinated way.
To cause (a set of files, data, or settings) on one computer or device to be (and try to remain) the same as on another.
To agree, be coordinated with, or complement well.
To set (a clock or watch) to display the same time as another.
To coordinate or combine.
To occur at the same time or with coordinated timing.