To use OS X, you need to know how to point and click to choose commands. In addition, you need to know how to type and edit text. That means you need to know how to use keyboard and a mouse or a trackpad.
The mouse/trackpad is the main way to control a Mac. Once you understand how to move the pointer on the screen by moving the mouse (or sliding your finger across the trackpad surface), you need to know how to give commands to OS X. The following are the four basic tasks needed to perform commands through the mouse or trackpad:
Click (also known as ...