Depending on the version of OSX you are running, some of the software features explained here will not be available on your Mac.
Applications
Desktop
Dock
Go Menu
Mission Control
Spotlight
System Preferences
Utilities
Airdrop
Apple ID
Bluetooth
Facetime
iCloud
OS X
Thunderbolt
Finder
App Store
iTunes
iChat/Messages
Address Book
Launchpad
WiFi
