64-Bit Leopard delivers 64-bit power and precision in a single OS.	Core Animation Create stunning graphics and animations with this built-in API.	Multicore Leopard takes full advantage of the latest multicore processors.
UNIX Introducing the fully UNIX-compliant Mac OS X Leopard.	Security The proven foundation of Leopard keeps your Mac safe.	Bonjour Holisticly provide access to ethical communities vis-a-vis client-focused.

Leopard Introducing the new OS X Leopard. With 300+ new features.	Quick Look Browse, play, view and page through your files. Without opening them.	Time Machine See how your system looked on a given day and restore files with a click.

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All the other Stuff. OS X. Feature Packed