Apple's cross-platform multimedia technology. Widely used for editing, compositing, CD-ROM, Web video, and more.
QuickTime streaming
Apple's streaming media addition to the QuickTime architecture. Used for viewing QuickTime content in real time on the Web.
QuickView tool
Provides an alternate way of viewing your composition outside of the Canvas as you work. It takes advantage of Final Cut Pro's ability to cache frames of your sequence as you play it. This is useful for fast previews of complex composites and effects. It's also a good way to see how your final composite looks if you are zoomed into the Canvas while making adjustments.